Author Archives: Dr. Henry Sanford

About Dr. Henry Sanford

As a retired consultant in Orthopaedic (Musculo-skeletal) medicine, I was first trained in Orthopaedic Surgery and changed when working with JH Cyriax at St Thomas' Hospital, London, my old teaching hospital. He is regarded as the 'Father' of the subject. I worked as an Associate Consultant in the Rheumatology department, STH, in private practice in Harley St. and the Cromwell Hospital. I have run courses and lectured in in the UK, USA, Belgium, Germany, Scandinavia.

VR and sitting

Global blue chip companies are throwing their weight into VR development (hardware and software),  Mark Zuckerberg believes “this kind of immersive, augmented reality will become a part of daily life for billions of people”.

Roto VR chair

Andrew Lockley (→ https://www.exponentialinvestor.com/author/andrew-lockley/   ) discussed this (3/o3/2017) with Eliott Myers from Roto VR, which is a small, innovative firm with designs on the related accessories market.  He claims that “Roto enhances the seated experience with haptic feedback so dramatically you feel like you’re really there, in another world. Once you’ve tried Roto, VR feels empty without it.  With Roto, you can add our Table accessory, so you can drive around 360 degrees with a steering wheel (and pedals). Roto also has “rumble shakers” which can be affixed to the underside and back of the chair for added sensations. It’s like 4D on steroids. Actually we should call it 360D!”

Sounds exciting!

But not if the chair is liable to induce backache (LBP) on prolonged use. Their picture ( http://www.rotovr.com  ) shows an upright chair with their concomitant disadvantages and with it’s extra, probably excellent, VR additions.

A huge opportunity

VR and sitting, if prolonged, will be relevant to chair design. It would not be difficult to redesign this chair to take advantages of the 2T or 4M concepts and so correct it’s seemingly obvious, from the pictures,  ergonomic deficiencies  This would have the additional advantage that the firm would have the basis for an ergonomic optimised office work chair that would jump ahead of the field.

If you are in the mood have a look at ☛ →

Comment

Screen Shot 2017-03-07 at 17.59.30From Gorman JD. MA (Cantab.) (Mechanical Sciences) MI.Mech.E (Member of Institution of Mechanical Engineers). MMCA (Member of the McTimoney Chiropractic Association) on 7/March 2017.

Yes I agree that a typical office chair and the typical office chair slump is wrong. Certainly semi reclined  position is one solution. I have rather given up trying to predict how the sitting world (the world of Homo Sedens) will evolve. It is certainly slow in recognising the problem which would be the first step.   This chair looks to me like a cheap after-market car seat. The computer people probably have no interest in the chair/seat so gave it no thought so long as it looked fairly high tech.     john g.

Screen Shot 2017-03-07 at 17.59.30Reply from Dr HA Sanford MA MB BChir (Cantab) D Phys Med (Lond).

You are probably right.   Then, I am not an expert on car seating like yourself.   Henry

Screen Shot 2017-03-07 at 17.59.30Comment from Dr HA Sanford

Virtual Reality (VR) is taking me back to ‘The Brave New World’ of Aldous Huxley (1932) which I read at school.   He described a dystopic utopian hierarchical society that kept control with consumerism, drugs (Soma) and VR (Feelies).  Work was done by robots and everyone was free to relax and enjoy promiscuous sex. Sounds similar to what may happen now.

This work was superceded by ‘1984′ by George Orwell, who was at my Prep school some 20 years before me, and hated it.  We all did but did not go into print so viciously.  ’1984’ faced the more immediate threat of Marxism which has now intellectually collapsed due to it’s internal contradictions and misunderstanding of the human condition.   So we are now back with ‘Brave New World’.   It does not sound too bad but actually is a form of slavery.  Those who objected, wanting to think, were regarded as barbarians and exiled.    To Iceland (as far as I can remember).  I used to run an annual course there (See the photographs in HOW WE SIT NOW→.)  The people are wonderful and it is very pleasant (in summer).

So, VR, here we come!    HAS

The end of sitting?

Sitting Is Deadly. Could Banning Chairs Help?

Peter Bessey (he did the CADs for me) sent me this link,

https://www.fastcodesign.com/3068098/evidence/sitting-is-deadly-could-banning-chairs-help

My initial reaction was that this was way OTT.  On second thoughts I realised that I had been saying something similar since 1998. As a consultant in Muscle-skeletal (Orthopaedic) medicine my interest was to remediate the factors that could lead to spinal breakdown.  Later, my general medical practice long past, I realised that there were also general medical adverse, potentially terminal,  effects.  It was mentioned under ‘Sitting Disease’ in    Chair DESIGNERS & Low Lumbar Backache

My own view is that sitting at work is not dead but should be transformed into a workstation incorporating the 2T (or 4M) concept.   Sit/Sand systems are also a help.   HAS 18/2/2017.

The End of Sitting 

 Summary of the work by RAAAF.    This is an installation by the interdisciplinary Dutch studio RAAAF (Rietveld Architecture-Art-Affordances) and lies at the crossroads of architecture, visual art and philosophy.   In our society almost the entirety of our surroundings have been designed for sitting.

Redesigning the workplace environment and home might manipulate an impact on sedentary behavior.  Their installations are mostly conceptual.  But they bring up an interesting idea: What if chairs were eliminated altogether? Is that even possible? And would that solve work and societal sitting problems or just open up the door to new problems?

The RAAAF installations The End of Sitting, which debuted in 2014, and Breaking Habits, opening at the Mondriaan Fund for Visual Arts in Amsterdam February 16, present chair-free environments that encourage people to get up and move. As Erik Rietveld puts it, “As long as there are chairs present, people will sit in them habitually.”

The End of Sitting – Cut Out marks the beginning of an experimental trial phase, exploring the possibilities for a radical change in the way we work in 2025. This project is a follow-up of theScreen Shot 2017-02-20 at 18.47.09 architectural art instalation made in Looiersgracht 60, Amsterdam by RAAAF. It is cut out of the landscape of standing affordances and includes the most successful positions for supported standing. It allows visitors to stand, lean, hang or lay down while interacting, reading or working. The visitor is both participant and spectator. This travelling exhibition allows everyone to experience the future of the standing office.

Slideshow Credits: 01 / Photo: Jan Kempenaers via RAAAF; 02 / Photo: Jan Kempenaers via RAAAF; 03 / Photo: Jan Kempenaers via RAAAF; 04 / Photo: Ricky Rijkenberg via RAAAF; 05 /Photo: Ricky Rijkenberg via RAAAF;

The concept seems to be that of a Sit & Stand complex.  See Sit Stand & stools →.   Even an office of this sort may have environment adverse effects for the health of staff.  See →

Screen Shot 2018-10-17 at 14.23.33

The global future?

The future may be much better, or worse,  than most people think. It’s going to “arrive” sooner than they imagine.

Ray Kurzweil – explains  “Now back to the future: it’s widely misunderstood. Our forebears expected the future to be pretty much like their present, which had been pretty much like their past. Although exponential trends did exist a thousand years ago, they were at that very early stage where an exponential trend is so flat that it looks like no trend at all. So their lack of expectations was largely fulfilled. … An analysis of the history of technology shows that technological change is exponential, contrary to the common-sense “intuitive linear” view. So we won’t experience 100 years of progress in the 21st century — it will be more like 20,000 years of progress (at today’s rate). The “returns,” such as chip speed and cost-effectiveness, also increase exponentially. There’s even exponential growth in the rate of exponential growth.”

Michael Bess, professor of history at Vanderbilt University in the United States, opines  “There will be some fantastic benefits from these technologies, and some really potentially cataclysmic dangers. The idea is to go slow, because we need to be careful. We need to give ourselves time to adapt to the power that these changes are going to exert on our life as individuals and in society as a whole. .. Within the wealthy countries, it could exacerbate the rift between the rich and the poor. On a global scale, it’s going to be even worse. I become worried that over time, if there are several generations of enhancements that have gone forward and that rift keeps widening, you will see a fragmentation of the species based on whether they have been able to get access to these things or not.”

The Third Industrial Revolution.

David Brown, entrepreneur, angel investor and the creator of the blockbuster drug Viagra, suggests that  we are living through what he calls the Third Industrial Revolution. His theory is that each revolution is driven by a combination of three things:

  1. a new energy source, 1, coal, 2.oil, 3. ?solar..
  2. a new means of communication. 1. steam-powered printing press 2.the telegraph 3. ?the internet.
  3. and a new source of finance. 1. the stock exchange. 2. the limited company 3. ? peer-to-peer lending and other internet-driven forms of finance.

 … What’s the definition of a bank? It lends money to a broad customer base. These internet companies have massive customer bases – a billion customers with no infrastructure costs – and they’ve got money. Apple’s got $200 billion in cash. Banks are bust! It just takes one step now: for Apple and Google to start lending, and they are then replacing the current banking system.

Genetic editing

We’re talking about memory in the way early computer developers (really early – think 1940s) had to find ways of turning information into a signal that could be read, understood and stored by a machine. In a similar vein, researchers have found a way of getting the DNA in your cells to record certain information that can then be read back later.

Medically, that information is basic: we can record “events”, like whether any inflammation occurred, as well as for how long it lasted and how severe it was. But the ultimate goal of the research is to get our DNA to store more complex information about the progression of an illness or the performance of a drug.

As Timothy Lu, associate professor of electrical engineering and computer science, and of biological engineering, put it: “To enable a deeper understanding of biology, we engineered human cells that are able to report on their own history based on genetically encoded recorders.” 

This breakthrough, like so many others, would not have been possible without CRISPR.

First off, what exactly is CRISPR?   It stands for Clustered Regularly Interspaced Short Palindromic Repeats. It’s sometimes referred to as CRISPR/Cas9. But what we call it isn’t half as interesting as the fact that it enables us to do something no civilisation before us has ever had the ability to do – to edit the genetic makeup of living things and remake ourselves the way we want to be.   It will go down in history as the most significant breakthrough of the century.

In the middle of the last (20th) century, Francis Crick and James Watson , at Cambridge, discovered the structure of DNA. Let’s call that the birth of modern genetic research. It was akin to us finding the instruction manual for the human body.   A half a century later in 2000 and the Human Genome Project decoded a genome for the very first time. That gave us the ability to read the instruction manual (or parts of it).

CRISPR enables us is to rewrite the book altogether – to cross out parts we don’t want, swap whole pages with those of another book, to create an entirely new book if we like. That’s a major shift. It changes our involvement from passive study and understanding of the subject, to active involvement, re-engineering things the way we want them to be.  It is an emerging technology. But its uses are multiplying seemingly by the day.  The doctor behind the experiment called it: “A landmark in the use of new gene engineering technology and the effects on this child have been staggering. “If replicated, it could represent a huge step forward in treating leukaemia and other cancers.”

“CRISPR is a geneticist’s dream come true,” said oncology expert and Novartis researcher Rob McDonald in a 2016 interview. “CRISPR enables us to do experiments that one could only dream of before.” In short, it enables scientists to look into thousands of genes related to cancer. The goal is to find a “kill switch” – the gene or genes that are vital to the survival of the cancer. Find this and you can engineer drugs that hit this target with precision.”  This has helped lead to a major project lead by the Novartis Institutes for BioMedical Research (NIBR) and the Broad Institute of MIT and Harvard, known as the Cancer Cell Line Encyclopaedia. The goal is to turn genomic information of cancer data and tumour biology into more therapeutically useful information.

That tackles a disease that’s already developed in a patient. But what if we could remake our genetic profiles so that we were entirely immune to certain diseases?   In an attempt to create immunity against HIV by “cutting” the offending genetic material away UMass Medical School researchers are using CRISPR/Cas9.  “On the simplest level, we’re employing a very precise pair of scissors to go in and clip out all, or part of, the HIV genome and reattach the severed ends of the human genome,” said principal co-investigator Scot Wolfe, PhD, associate professor of molecular, cell & cancer biology. “If we could do that, the hope is that this would be a step on the road to getting a functional cure for HIV.”

The number of clinical uses of CRISPR – and gene editing more widely – is growing all the time. As well as cancer and HIV, researchers around the world have had preliminary success using CRISPR against cystic fibrosis and sickle cell anaemia.

There are more controversial uses, such as creating mosquitos that are genetically engineered to wipe out the rest of their species (by breeding with them only to have offspring that are incapable of breeding) in an effort to combat malaria and the Zika virus.

Superhumans and the Jetsons fallacy

The author Michael Bess put it that when we imagine the future, we envisage a world in which technology is many times more advanced, but humans are essentially the same as they are today. He calls it the “Jetsons fallacy”: based  on a TV show set in the year 2062. It became a household show. Everyone was watching it. And it depicted a world in the future where cars fly and people can be transported in pneumatic tubes and there are robots everywhere, but the people are exactly the same as the people of 1962.

Consider the other side of the debate? What about using these techniques to enhance healthy people, rather than treat or prevent disease?  Given the potential uses of CRISPR and other genetic editing techniques in the treatment or prevention of illness, it seems near certain that gene editing will become a major industry – and perhaps even a major part of life. It is easier to win the moral argument against altering the building blocks of life if you’ve developed a cure for cancer or heart disease. The benefits to humanity are obvious and immediate.

There’s been a line drawn in the sand between the two uses so far.   Marcy Darnovsky of the Centre for Genetics and Society (an organisation dedicated to looking at human biotechnologies from a social justice, human rights and public interest perspective), who put it like this: ‘When someone has a disease that’s threatening their life or their health, then yes, let’s try to treat them with gene therapy. But when it comes to modifying genes that we’re going to pass onto our children and to every cell in their bodies, and that’s irreversible, and that’s going to be passed on to all their offspring: that’s where we think the line has to be drawn’.

The line has been drawn many countries and by one international treaty – the Council of Europe treaty that the UK has not signed. The UK itself actually does have a national law against human germline modification, which is why Parliament had to vote on that mitochondrial manipulation technique.

Sarah Gray, of the American Association of Tissue Banks, made that same point in a more emotional, but no less relevant, way. Gray gave birth to a son with anencephaly and suffered seizures for six days until he died. As she told a National Academy of Sciences summit on gene editing, “If you have the skills and the knowledge to eliminate these diseases, then freakin’ do it.” 

As these technologies advance, they will make it possible to safely and effectively modify the DNA  of human embryos genetically. This is a choice we are going to have to make. Is this something we want to do or not? Because it’s going to become technologically and medically possible.

We have a technology that allows us to remake the world ourselves as we want – or think we want – it to be. The potential uses are virtually limitless. That creates a massive incentive to explore and push the limits of what we’re able to do.  How to use that power is going to be the most important story of the century.

The Artificial Intelligence Revolution has begun

A time in human history. when we eradicate killer diseases, add decades to the average human lifespan and when we master the art of creating machines capable of superintelligent levels of thought and skill, there’s one revolutionary breakthrough that’s going to be at the heart of almost everything that happens – the development of artificial intelligence (AI).

  • Energy technology: wind, tidal and PV generation, batteries and fuel cells.
  • Consumer technology such as smart appliances, plug-in electric vehicles and social networks.
  • Grid and operational technology – such as automated demand side response, microgrids and condition-based predictive maintenance
  • Information technology (IT) such as the Internet of Things, cloud, and big data.

 

 

Assistive technology

Robotics will actually improve our lives in a huge number of different ways.  It isn’t just the branch of technology that will ultimately put millions out of work as every job on the planet gets automated.  There are two categories

  1. Robotics that will assist us: to help us do things our bodies just can’t or won’t do. For instance, helping paraplegic people to walk again.  The Walk Again Project in Brazil announced that they’d helped eight paraplegic people to walk again using a combination of virtual reality, robotic exoskeletons and brain-computer interfaces.
  2. The second category is technology that enhances our abilities, using technology to help us do things we otherwise wouldn’t have been able to do. Robots are already in our factories, increasingly in our homes and providing us with entertainment.

Robotics

In the 2nd category, while the vast majority of uses are peacefully mundane,  robots can be used as military tools.The USA’s Defense Advanced Research Projects Agency (DARPA) wants to have suits would allow soldiers to walk further, carry more equipment, offer protection from the elements and allow them to arrive less fatigued. It is easy to imagine this projected into, to me, inapproptiate superhuman soldier or killer robots.

Daewoo is experimenting with a powered suit for its shipyard workers that allows them to lift a 30kg piece of iron with ease. In a shipyard where that kind of activity is mundane, there are obvious advantages to pairing the sensitivity of a human with the brawn of a robot.

In the aftermath of the Fukushima nuclear disaster several Japanese robotics firms developed special exoskeleton suits to enable people to reach otherwise inaccessible places.

Sam Volkering – futurist and financial advisor – “

It’s going to effectively change the structure of social groups, in that our definition of work is currently: you get up, you go to work, spend your day at work, come home. In the last 50-odd years robotics has replaced a lot of labour-intensive roles. You see it a lot in manufacturing now: manufacturing plants use a lot of stationary robotics. 

We’re now seeing a trend where robots or automated systems are starting to eat their way into middle-class jobs. You’ve got robo-advisors providing financial recommendations based on a huge amount of data input. So any kind of job that requires a bit of muscle power, or any reasonably repetitive work like bookkeeping – they’re just going to be replaced by automated systems or robotics. Things like self-driving cars – taxis, truck drivers, bus drivers – are not going to be needed, because why get a human to do a job that you can get a robot to do more safely, more reliably, and more consistently over a long period of time and at ultimately lesser cost?

That’s going to create more creative, highly skilled jobs, and jobs that perhaps don’t exist today that no one can predict. It’s going to be a shift of what we know as work. You might end up with three or four jobs on the go. There’s no such thing as a career anymore. You end up with several jobs as your work – micro-work. 

That’s going to mean a shift of where people go physically to work, and how they interact and communicate with each other on a daily basis. It’s not going to be about getting up and going to the office, then going home. You might get up, go to a hub somewhere, interact with a bunch of people on one of your jobs. Then work from home for a couple of hours and then have to go to another community set. That’s going to create issues with transport and things like that. 

Work is such an important part of our social fabric that when there’s a big shift in what it looks like, it’s going to create a lot of ancillary fluctuations in infrastructure: where we go, energy usage in various locations, etc. 

Screen Shot 2018-06-11 at 20.55.56People don’t like change, so that’s going to cause a lot of problems. You’re going to find a lot of people ending up out of work who haven’t had the foresight to reskill or retrain. It’s going to put a strain on economies, because they’re not going to be able to handle these people out of work, and there’s going to be a shortage of people needed for the high-skilled jobs that this change is going to create.”

The OFFICE OF THE FUTURE (and maybe ‘near future’).

2018.  Sam Volkering – futurist and financial advisor – “In the last 50-odd years robotics has replaced a lot of labour-intensive roles. You see it a lot in manufacturing now: manufacturing plants use a lot of stationary robotics.    … automated systems are starting to eat their way into middle-class jobs. You’ve got robo-advisors providing financial recommendations based on a huge amount of data input.   That’s going to create more creative, highly skilled jobs, and jobs that perhaps don’t exist today that no one can predict. It’s going to be a shift of what we know as work. You might end up with three or four jobs on the go. There’s no such thing as a career anymore. You end up with several jobs as your work – micro-work. 

That’s going to mean a shift of where people go physically to work, and how they interact and communicate with each other on a daily basis.    Work is such an important part of our social fabric that when there’s a big shift in what it looks like, it’s going to create a lot of ancillary fluctuations in infrastructure: where we go, energy usage in various locations, etc. … It’s going to put a strain on economies, because they’re not going to be able to handle these people out of work, and there’s going to be a shortage of people needed for the high-skilled jobs that this change is going to create.”

(Quoted via Nick O’Connor (Publisher, Exponential Investor and recently published in his book … .

If interested, a personal view of the future can be seen at The Global Future? →… Largely based on the research of Nick O’Connor.  .

Alternatively

For another view – Should chairs be banned? See  workchairs-a-new-breed-

Suggested by the interdisciplinary Dutch studio RAAAF (Rietveld Architecture-Art-Affordances) and lies at the crossroads of architecture, visual art and philosophy.   In our society almost the entirety of our surroundings have been designed for sitting.  Evidence from medical research suggests that prolonged sitting results in serious health deficits.   These are so widely studied and well-documented that they’re impossible to ignore and show that sitting increases lower back pain, slows our metabolisms, and shortens our life-spans, amongst other things. Not even daily exercise is enough to offset the damage.

Redesigning the workplace environment and home might manipulate an impact on sedentary behavior.  Their installations are mostly conceptual.  But they bring up an interesting idea: What if chairs were eliminated altogether? Is that even possible? And would that solve work and societal sitting problems or just open up the door to new problems?

Ergonomics for DESIGNERS of work chairs

May I be so bold as to suggest that….

  •  Ergonomic chair design seems to have come to the end of the road without huge success in avoiding LBP.
  • A new fix is in order and can be effected by the 2T concept.   A ‘paradigm change’?
  • This can only be achieved by an understanding of the  biomechanics. It is hoped that this work may provide you with this, a resource describing the requirements for safe design.
  • By incorporating the points made in this work,  comfort and ergonomics of both the simplest and most advanced ‘ergonomic’ chairs  should be improved .
  • You must not be  misled by ‘comfort’, that treacherous guide  which only turns up truthfully when the bio-mechanics (ergonomics) are fully correct.  See ☛ Comfort→
  •  Remediating the ergonomics is more important. Comfort is improved the nearer a full remediation  is approached.  Full remediation = maximum comfort.
  • The correct search should be for the Hippocratic “Do no harm”.
  • Bio-mechanic adverse designs can be avoided.  Why? Mandal’s Homo sedensScreen Shot 2016-01-14 at 18.19.39
  • There is now no excuse for poorly designed chairs and the conventional mis-advice that is perpetuated.   ☛ Various chairs→
  • Some selling points to manufacturers and architects are added if required.
  • The comment of Kenichi Ohmae (below) is apposite.

WORK-CHAIRS, a new breed with a reclined mode.


From a wierd concept in 1998 to become disruptive in 2017?  As predicted  this is begining to emerge.  
The ‘Deskless Chair’ derived from the ergonomic importance of a reclined work position, is morphing into the ‘Workstation’. This should reduce the incidence of LBP and other health issues.  It should also increase productivity.

We see a number of ‘work-station’ type models which include a reclined work mode and so are superior to the present (2016) upright conventional  models.  The work-chairs shown here are only semi-2T compliant and appear to ignore the science and are based on engineering.    They do not invite a great uptake, inspite of extensive PR.

  Okamura is a major Japanese company and produced the Atlas, a reclined work-chair that was ahead of the field in addressing the biomechanical factors that are necessary to okamura1avoid or limit  LBP.
“Looks familiar, Henry?” was the message from John Jukes about this chair.  Sure enough it showed the semi  reclined work position that I had been advocating since 1998 on the web.  .  It has been suggested that Okamura designers had seen my web page.  I doubt this as they had failed to apply the essential requirements need to make this a more user friendly, ergonomically optimised and cheaper Screen Shot 2013-10-23 at 14.05.33model.    Their Atlas model allows some insights into where their design went wrong in relation to the 2Tilt (2T) concept.

  • It has a reasonably good reclined position.  But then things become complicated as it differs from a chair designed along 2T principles.
  • Problems occur with the further design and is unintentionally shown in the photograph, above, as the users head is not being supported.   This illustrates the point that adjustments are usually maladjusted and have confusing controls.

Screen Shot 2014-02-13 at 19.22.28

  • 1. Good.  Easily adjusted .  One of the requirements for the 2Tilt concept for users of differing height.
  • 2. Pelvic support should  be fixed at 200 mm.  (See BACKRESTS. Pelvic support v. Lumbar.→
  • 3. Also no need for this adjustment or for the depth of the seat.
  • 4. In the reclined mode the head-rest needs to be at about 6″ forward.
  • 5.  Good.  The reclined back-rest angle is 45°.   Better at 40° or less.
  • 6.  Good.  The backward extended legs give greater stability in the reclined mode.
  • Some adjustments should be avoided.  (See ADJUSTMENTS?→ )
  • The default upright mode is in the usual adverse mid-upright position.  (The upright seated posture.→ )
  •  I found the shift from the reclined mode to be awkward due to adjustments.
  • The 2T concept allows intermediate positions but these are unstable and can allow rocking exercise. (The unstable TRANSITIONAL MODE. It’s importance.↔ )
  • The seat is convex and can allow the user to sit back and take advantage of the pelvic (‘iliac’) support. In this case the headrest has to be adjusted back from it’s position that is required when reclined.   (see •3 above) (See‘Ischial Off Load system’).
  • The user can also sit on the front edge where the seat is tilting downward as with a FTS. Slipping could be a problem.
  • Fixed at a low level,  the seat allows the feet to rest on the floor in the reclined mode, as shown.  I am told that this causes problems for tall people who have tried it and an adjustable work-table may be required (no bad thing).
  • OKAMURA CONTESSADesigned and engineered to a high standard of sophistication but, again, there is a plethora of unnecessary adjustments with their controls which are so loved by contemporary designers.  Most  should be scrapped or disconnected by a user who is aware of the effect of adverse positions on spinal pathology.
  • The brochure states, ”The lumbar support gives you comfortable support.  You can adjust the lumbar support backward and forward up to 15 mm , and up and down to 60 mm.”   The upright work position shown is acceptable as the ‘lumbar’ is actually  ‘pelvic’ support provided it cannot be adjusted upwards above 20 cm.’.  Gorman  showed true ‘lumbar support‘,above 20 cm, to have the opposite effect to that desired and later confirmed by pMRI scans.
  • The reclined mode is about 50° from the floor, a little short of the ideal 45° but acceptable. The figure given above is 26° from the illustrated upright mode.  It relies on the ‘off-load’ domed seat.   I prefer the forward tilted seat (FTS) but know of no evidence that shows one system to be better than the

An object of desire?   Certainly not for me!   Even ignoring it’s shortcomings, I found it far too large and clunky.Screen Shot 2013-09-28 at 21.30.29
As predicted, a number of ‘work-chairs’ workstation type models are appearing which include a reclined work mode and so are superior to the present (2016) conventional upright models.  Appearing to ignore the science and based on engineering they do not invite a great uptake inspite of extensive PR.

The ALTWORK chair

AltmarkNow, in 2015, a chair is proposed, that has at least an upright and reclined work position.  However deficient in biomechanics (ergonomic) optimisation it may be, with reservations, it is  potentially the best work-chair in the market at that time. (http://altwork.com).     It also has a ‘stand’ facility so in this respect is approaching the 4M workstation→.    It incorporates iliac support (at least, I hope iliac and not lumbar), which is required in the upright mode but might be excessive for the reclined mode.  The reclined configuration can be deeply adverse as can be found in some dental reclined chairs.   There appears Screen Shot 2015-11-06 at 18.21.33to be intermediate  position adjustment in the transitional mode, which at best, gives no biomechanic advantage and was probably intended to add comfort → .   Misled by ” that treacherous guide  which only turns up truthfully when the ergonomics are fully correct”.   If this mode becomes a part of the unstable intermediate mode it allows a faster transition and also gives the user the choice for dynamic motion and rehabilitation.  A win-win.   Scrapping a fixed intermediate mode reduces manufacturing costs.    These faults could easily be corrected and so  with reservations, it is  potentially the best work-chair in the market.

Not having had an opportunity to see this chair, I cannot comment further on the ergonomics.   Expensive at $5,900,  it looks over engineered, awkward  and too clunky  for an ‘object of desire’.      ☛ Art, Elegance and Objects of Desire→    Did they arrive at this independently or did they see my web-page for the 2T concept? This has been in the public domain since 1998, later upgrade to the 3M (2T = 3M) & 4M   I fear it was the latter and the chance of a simpler, more ergonomically optimised and more elegant model was missed.  Also the aesthetics worried me.  I penned a hurried post on this subject.(ALTWORK & Art →)

Uptake and ‘Object of Desire’?

Appearing to ignore the science and based on engineering they do not appear to invite a great uptake inspite of extensive PR.

Screen Shot 2018-11-24 at 10.29.33Why?  Ignoring the the essential 2T requirements for an absence of adjustments and controls the models are clunky and not appealing.   The 2T simplicity reduces costs, improves function, improves ergonomics and enables a simpler and more elegant design.

For existing manufacturers this provides an opportunity and for any entering the field.   Top manufacturers are already recognising that they have come to the end of the line for ergonomics. Backache (LBP) and other spinal & muscle-skeletal conditions still persist resulting in stress and lowered productivity.   Will they grab this opportunity or be held back by Familiarity bias →?

Screen Shot 2013-12-31 at 12.36.29

Ergoquest

Screen Shot 2016-06-24 at 12.34.17A good idea in that it achieves the 2 modes but what a terrible design!   Electrically operated.  With all possible bells and whistles It represents an almost opposite view to the 2T principle and it’s 4M workstation derivative.      Price: $5995

Elecric mechanisms

The CHOTTOScreen Shot 2017-05-20 at 11.14.27

This highly innovative chair was introduced to me by it’s designer,Thomas Stroman.   He wrote to me “I am an architect by training, but having experienced back surgery, my focus has been on ergonomic seating design for human-computer interaction.”   At first glance one might be excused for thinking that it looked as if it were self mobile with caterpillar tracks.  Perhaps an exciting concept for the future. What fun to go charging around the workspace and bumping one’s colleagues!  →  www.stromandesign.com​  and  The CHOTTO→

IfM 2013Now have a look at the 2013 Cambridge student project on the 2T CONCEPT.    The Cambridge trials showed the elegance, simplicity, cost effectiveness  and greatly enhanced ergonomics of th 2T concept showing a 4M version.  This was evident to both staff and students,    The model demonstrated was a cannabalised version of the p1 prototype which had been formed from Electric tubular conduiting in the basement of the Cromwell Hospital with help from the electrician.

It excited comments  “Gee!    That’s cool.  I want it.”  so although simple it is an ‘An object of Desire’ at a student level.   Let us see what designers can do with the newer materials for the top end of the market.    Go consider!

(Yes!   That’s John Gorman glowering in the background.  He was an engineering graduate and took the opportunity to visit his ‘Alma mater’).

And a sketch for a 2T model done for me by Aaron Chetwynd in about 2000, which deliberately resembles existing chairs so as to avoid familiarity bias.   compare it’s simplicity with the next chairs.   http://www.aaronchetwynd.com→


GTRACING Gaming Office Chair


Screen Shot 2018-06-21 at 14.26.06The ‘Game Racing Chair the top end of this version ($166), with a reclined mode and an upright mode with potential pelvic support, is coming Screen Shot 2018-06-21 at 14.26.37close to the 2T design concept but lacks simplicity and optimised functionality.   The ‘Ergonomic Backrest’, 
is spoilt by being adjustable. Pillows are OK but just not good design.    Recliner Swivel Rocker Headrest sounds good.   https://www.gtomegaracing.com/gt-omega-racing-gaming-office-chair-seats .

Aircraft seating

Screen Shot 2019-03-15 at 16.42.26This seems to be always ahead of Office seating.   Benjamin Hubert of LAYER recently collaborated with Airbus to redesign economy class airline seating.   From the photographs this is hardly ergonomically impressive but the fabric claims interesting ‘all singing, all dancing properties’.   These include a knit seat cover with zones of various density that offer customized levels of support to the body and automatically adjust,  based on weight and movement. This is made possible by passing current through the conductive yarn to vary the seat tension.  The accompanying Move App, which when connected with the smart textiles gives users control over factors –like seat tension, temperature, pressure and movement. Presets include “massage”, “mealtime”, or “sleep”.     This may have ‘legs’, as a means to approach the 2T design concept, by reducing the overall complexity of seat construction, probably lowering cost of both seat and its tooling and by restraining overall weight, enabling a potential tilt mechanism to be less stressed and easier to control.  (Peter Bessey suggests)

How do concepts evolve?

In 1903 Ford’s ‘Horseless Carriage’ had morphed into the Model T, capable of 20 horsepower In 1908.  This, at least, solved the “great horse manure crisis of 1894” when it was suggested that London’s streets would be clogged in 9 feet of horse manure in 50 years. It’s descendants are, in turn, being disrupted by ‘the driverless car’.   Disruptive technologies have to prove themselves Screen Shot 2018-07-08 at 15.04.13first. They do so by working on the same infrastructure as the incumbent leaders. Cars had to run on the same streets as horses. Dial-up internet connections in the late 1990s used the copper in the phone networks.     So, work-stations have to use existing office spaces before becoming universal. (Dan DenningPublisher, Southbank Investment Research ).

Peter Bessey wrote (30/6/2016) “It has taken time for the market to build, but there is definitely a movement toward other postures in the workplace. While some of that has derived from posture investigation and potential for beneficial effects on the user, other advances have emerged as a response to changing technology, new materials and a non-paper work method, as seen from the 60’s onward.   I suspect that a NASA effect is involved in some of this too. Numerous resources have been directed into space travel in recent decades and, for human travellers, that has mostly incorporated a reclined support system to encourage stress-reduction during high-load take-off and landing. So there has been a real effort to ensure that anthropomorphic needs are addressed properly when working from that position, to ensure equipment control systems can be operated successfully and without long-term harm.   There have been a number of attempts to create pod-like structures around reclined positions, to create controlled environments for audio enjoyment, meditation and relaxation. Perhaps those too, have influenced the current trend? But the main factor may well just simply be the instant communication and data access that today’s world now has available for sharing ideas.  Apart from that, it is likely that this trend has derived from the typical and gradual process in which increased knowledge, enlarged awareness and advance in technology brings. Stale markets, where things have remained much the same for decades and highly competitive markets where a cycle of fashion and small detail differences are all the consumer sees on offer, can drive the introduction of disruptive design ideas and encourage new entrants to challenge the existing status quo. Perhaps that is what we are beginning to see    Best regards  Peter”

For further reading, see ☛

Art, Elegance and Objects of Desire

What’s the crossover between form and function; sculpture and good design? If you appreciate art and sculpture then your eye will be drawn to pleasing shapes.     Aesthetics are hardly the subject matter of bio-mechanics and is left to the individual designer and Altmarkthe company image.   However there is relevance to chair design and furniture seen as art.   My apologies for this discursive effusion which was occasioned by seeing,  in 2015, a new chair proposed by Altwork (http://altwork.com). that has at least an upright Screen Shot 2015-11-06 at 18.21.33and reclined work position as I first proposed back in 1998.  It also has a ‘stand’ facility so in this respect is approaching the 2T derivative, the 4M OFFICE WORK-STATION. I have not seen this chair and so cannot assess the extent to which it is 2T compliant.    From the photographs there seem to be problems.  It looks over engineered, awkward  and clunky.   WORK-CHAIRS, a new breed with a reclined mode.→

See the Cambridge student model which does the same thing and is simpler and cheap

http://sittingsafely.com/
 SS prototypeThe model shown above was an upgrade of my P1 prototype.   It was of this that a CEO said “This is too comfortable.   My work-force will go to sleep” although he was lying on wood with no upholstery’  (Early 2Tilt chair CONCEPT and criticism→).

 It looks surprisingly similar to the Kragel’s Nap Chair which is Screen Shot 2016-06-06 at 17.45.21regarded as an art object and was shown by Jessi Reeves  in her first solo exhibition at the Bridget Donahue Gallery. nvc. in 2015.   “The symbiosis of art and design culminates in Jessie Reave’s work which hovers between furniture and art object. Reaves’ creates conventional (and functioning) items you would find in any furniture shop: chairs, a couch, lamps, several shelving units. However, the artist assembles materials unconventionally to create an entirely unique aesthetic.; what is normally kept hidden inside furniture is turned out.”     Reaves recently had a solo show at New York’s Bridget Donahue gallery.  “
This looks very like my P1 2T prototype of 1998.  The back support looks excessive and is adverse lumbar rather than a pelvlc support.  It looks adjustable which might account for this.  Shown as an art object it shows the basic simplicity of the 2T concept.

Having been married to a highly innovative abstract artist,  http://www.vancaillieartist.co.uk→  I have views!   Back in the 1960’s some regarded me as one of the few in England who could asses the aesthetics of the avant garde at that time.  Abstract Expressionism. Matter Painting,Tubism (Mathieu), Tachism, Pop etc.   Alas! Now I am totally dated!  But reactions do not fade.  True art has an effect that distinguishes it and is always itself true.   “Truth is beauty.  Beauty is truth” said Keats.   The untruthfull in art such as propaganda was demanded of artists in Nazi Germany and Soviet Russia and their derivatives such as ‘Social Realism’.    A reasonably good English artist, Richard Hamilton, was persuaded by his ‘Ban the Bomb’ CND wife to depict Hugh Gaitskill as a Hitleresque monster.  Obviously untrue.  To my mind, it destroyed  his artistic integrity.  Artists, although maybe dissatisfied with a work, never produce a bad picture, even with scribbles on a napkin.  I have a Calder drawn around a wine stains on a catalogue of his work.  We can be moved by nostalgia.  This is something else.   Alfred Munnings was anti modern art but his portraits of beautiful women, beautifully turned out and mounted on beautiful horses are nostalgic of an age recently past.

True art can evoke excitement and a ‘prickling’ & tingling physiological effect now known as Autonomous Sensory Meridian Response (ASMR) in the presence of certain work.  This can occur with sophisticated connoisseurs, and equally the naive.     Robert Graves in his ‘White Goddess’ (1948 – The White Goddess : a Historical Grammar of Poetic Myth -London: Faber & Faber) describes this effect and attributed it to the true  measure of a poet to faithfulness in depicting the White Goddess, of ancient tradition who was worshipped under many titles and forms, whether nymph, mother or crone, of the early matriarchal societies, thus proving the truth and source of his or her mystical inspiration.   Matriarchy, to be overthrown by invading patriarchal Indo-europeans, may have never existed but these emotional and physiological effects can be observed in poetic, musical and visual art forms.  “All true art is sacred” replied my wife (vancaillieartist.)  when asked why one of her works , an abstract relief, could be regarded as religious, and was requested for the exhibition of sacred art at the Musée d’Art Modeme, Paris, “Art Sacrée”, 1965.

Screen Shot 2015-09-29 at 18.53.20For me, the most interesting exhibit at Olympia, 100% Design exhibition, 2015, was this incredibly engineered and simple construct by Danial Chow  →.  Of solid walnut “Brackets or bracings that conventionally structure the architecture are substituted by hidden beaming inserts, invisible from outside”. He also wrote to me “Thanks for all the input you inspired me.  I will begin paying attention such a new measure – pelvic support or pelvic stimulator in my future designs.  I speculate that the said may also help stimulate the central nerve of the user while sitting.   It could then be the “real” solution and a new era also revolutionary to long time siting/working.     I may consider adopting this to working chairs and lounge chairs.”       I do not know about “stimulate the central nerve of the user”.  Sounds exciting!    He later wrote  “I did more thinking.  I realised it is possible to incorporate pelvic supports at the two sides of the lower-back-rest.  Perhaps I can design and make a new lower-back-rest to test the effect.  By the way, did I explain about how I came up with the configuration – dimensions and angles?   I did a mockup with a range of different configurations.  I picked the set which comforts the user most.”

Danial Chow, not an expert on biomechanics, has certainly ‘got an eye’.  As does any true artist.   I hope I have not misled him on iliac support.  Designed for upright sitting  it is less important for a reclined mode.  It would still help somewhat and some contouring would look good.  (see,BACKRESTS. Pelvic support→)

Screen Shot 2018-06-09 at 12.04.05Similar, also aesthetically pleasing, in 2018, is a work in carbon fibre by ‘Essence of Strength’ .   It does not have any ‘Pelvic support’ .  Pads are supplied to correct this deficiency which should have been unnecessary with better design.   <https://www.essenceofstrength.co.uk/>.    Although not intended as a work chair, the ideal ergonomic shape should approximate to that of the 2T (3M) reclined mode.    The 2Tilt RECLINED MODE for fully safe sitting.

This may be relevant to Furniture as Art (FaA) where so much are just amusing nonsense which some may find desirable.  To be ‘true’ and excite ‘desire’ for the object it must have relevance to the human body that is going to use it.   This means bio-mechanics.   Preferably an understanding is the Wolfsonbest but  may also be achieved on a sub-concious level by an artist.   “It’s all in the eye” said my wife, explaining composition and the golden section.

Wolfson seems to me to be have serious intent and to be the classic in this genre.  Of course he does not read work on bio-mechanics and so was unaware that desks in offices are becoming to look Dickensian (4M OFFICE WORK-STATION)  But desks which are objects of desire will still be Wolfson deskused in private offices.

Screen Shot 2016-06-14 at 19.31.45

The observer or user decides whether the object is pleasurable, relevant and desirable.  The designer takes this into account. an ‘eye’ is a help even if the ergonomics are correct.

Without a nod towards biomechanics, some schools may be seen – dada, surrealism.

Screen Shot 2016-06-21 at 14.27.46 Screen Shot 2016-06-21 at 14.29.14 Screen Shot 2016-06-21 at 14.33.04 Screen Shot 2016-06-21 at 14.34.37 Screen Shot 2016-06-21 at 14.35.44

For my money an ‘Object of Desire’ is a modern version of the old Army Roorkhee chairs.   I have 4 of the originals and cover this subject at the end of the post EASY CHAIRS.

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Screen Shot 2016-03-17 at 13.34.20

The SCIENCE

It is hoped that this may provide a resource for designers and users of work chairs.  There is a large body of research and background, on spinal bio-mechanics, which you may wish to explore.

Screen Shot 2018-11-28 at 16.15.59OBJECT. To identify and address  the adverse bio-mechanic (ergonomic)  factors that  potentially were liable to result in spinal component break down which can account for Low Back Pain (LBP, backache and more serious disorders, IDD, CTD.)  in relation to the seated posture, 

METHOD.   Existing work on spinal pathology and biomechanics related to upright seated posture  was  explored.

SS adverse upright sittingCONCLUSION.  The evidence identified adverse effects which occur with conventional prolonged mid-upright sitting that required remediation.   It was found that a reclined mode is the only position that avoids all the adverse effects of prolonged upright sitting.  This conclusion became validated  by independent work using pMRI scanning (Smith 2007)  

 

The 2 TILT  chair CONCEPT.


The big story here, however, is that it was found that a
reclined mode is the only position that avoids all the adverse effects of prolonged upright sitting.    For a reclined office work-chair to be practical a number of requirements are essential.  These have been covered in the 2Tilt concept which was tested for practicality in the Cambridge MfI department.

Screen Shot 2016-03-18 at 19.28.20The 2T concept addresses all the ergonomic factors  that  ensure a sitting position that is the least likely to perpetuate, or result in, backache and other spinal conditions. It also includes the necessary requirements to make this a user-friendly practical work-chair.  Comfort → is also thereby maximised.
The 2T concept is fully described by following  ☛A Full solution→

4. This leads on to the QuadriModal 4M work-station→.

Navigation.

The menu on the right→ indicates the layout and lists more posts than the main top menu.     Next  ☛  How to use this work →

Managing the Ergonomics of Office Seating

 by John Jukes                  The Source Publishing Company Limited 

Ergonomics expert John Jukes asks is the Sit/Stand desk the answer to aches and pains in the office?

Research done by Dr Henry Sanford, Orthopaedic Consultant at the Cromwell Hospital, adds another dimension to the problem of ergonomic comfort in the office. Sitting in a semi reclined position at 45 degrees reduces the gravitational loading on the spine by 50%. This is similar to the astronaut position, which permits working under heavy G forces. A suitable headrest and positioning of keyboard and VDU screen makes this a perfectly practical working position without inducing sleep. Many programmers, CAD users, control room engineers and tall people are seen to adopt this position using an ordinary chair when  working for long periods – perching the tail on the front edge of the chair with their shoulder on the back and the legs out straight.

Sit/stand desks and pelvic support semi recline seating  in the UK have yet to become part of the normal office landscape. When they do there will be several million office workers that will be grateful to be free from daily debilitating pain.

He wrote

HAS & M19.08.43Dr Henry Sanford MA. MB. B Chir. (Cantab) D  Phys Med. (Lond) is a well known Consultant Orthopaedic Physician in London and Associate Consultant to the Department of Rheumatology, St Thomas’s Hospital, SE1.  Earlier he worked at St Thomas’s with Dr J H Cyriax who is regarded as the ‘Father’ of  Orthopaedic (or Musculo-skeletal) Medicine after following 2 years in the army finishing as a Captain in the RAMC.

He was a founder member of the Society of Orthopaedic Medicine (SOM), the British Society of Musculo-skeletal Medicine (BIMM) and was Chairman of the Cyriax Organisation..  He has run courses and lectured internationally                                                              John Jukes – 30/07/2001     Site Navigation→

Copyright2016

Office environment stressors

A report, launched, in 2016, at the US Green Building Council’s Greenbuild conference, found that employees in high-performing, green-certified buildings had 26% higher cognitive function test scores than those in similarly high-performing buildings that were not green certified. 

Screen Shot 2016-05-04 at 11.41.10PRODUCTIVITY AND WORKPLACE STRESSORS
by Dr HA Sanford, MA, MB, BChir (Cantab), DPhys Med (Lond) Chief Medical Officer to OptEnCo.(Article published in EurOhs, European Occupational Health and Safety Journal, Dec 2002.)

Summary

Hitherto stress related illness has been thought to be due to psychogenic causes associated with changes in commercial practice. More recently it has been recognised that adverse indoor physical environmental factors actually account for the bulk of stressors in the office and work environment.  These potentiate the minor morbidity (illness) and the more overt psychosomatic expression.   Environmental stressors can be identified, quantified and relatively easily corrected. When addressed up to 40% increase in productivity is permanently achieved.

Secondly, illness and stress result in increased churn rates which carry extra costs to a firm  for staff replacement.

Thirdly, in the UK, there were 164,000  claims for stress-related conditions in 1999-2000, an increase of almost a third on the previous year. Litigation damages can be spectacular and in addition to these costs, media coverage of litigation results in damage to a firm’s reputation. It should also be remembered that under both HSE and pending EEC legislation management will have not only a civil but also a criminal liability.

The pressures of recession are adding to the ethos of business management which has resulted in ‘downsizing’ of the workforce which creates extra demands on surviving staff and added to long hours spent in a physiologically unfriendly environment, gives rise to anxiety, fatigue and to high levels of morbidity and breakdown.

 

Medical considerations

A consideration of the medical background show that three broadly overlapping and ill-defined medical conditions have been described.Screen Shot 2016-05-01 at 19.19.11

  • The first ‘stress related’ illness is generally regarded as a psychological response to anxiety and fatigue leading to a number of symptoms and even serious breakdown and illness.
  • The second is of more interest to doctors (not to mention their patients). As many as one in five new consultations in medical primary care fail to identify a recognised  organic medical condition. These include chest, back and abdominal pain; exhaustion, headaches, dizziness, insomnia, shortness of breathe – to name only a few.   Some prove to be transient; about 10-15% are shown to have an organic cause; some have an unrecognised organic cause – but most have symptoms that persist and are never explained in spite of appropriate investigation. A confusing terminology has developed around this poorly understood group. The most exact and nonjudgmental is ‘medically unexplained symptoms’ which many feel to be too unspecific. ‘Psychosomatic illness’ implies that psychogenic conditions results in a physical illness and ‘somatisation’ suggests a psychogenic condition which is expressed in physical symptoms. Some patients may have overt psychiatric disorders such as anxiety, depression or a phobic personality.   Most have a complex mix of etiological factors , biological, psychological, social and cultural.
  • The third, consisting of symptomatology associated with the environmental physiological stressors, may be the most important and is usually ignored.   In the last five years a simple standardised assessment has been developed for symptoms and environmental satisfaction and been related to a number of adverse parameters in the physical environment by OptEnCo in conjunction with Reading, University3 . A baseline normal has been established and it has found for 30,000 office workers in 300 buildings in the UK, USA and Europe that 80% of these workers experience excessive symptoms due to various physical stressors in the office environment4 . The top (worst) score is 20 and this can be permanently reduced to 2-0 if environmental stressors are eliminated.   An average unimproved modern office environment scores about 6 and a score of 12 shows a definite negative environmental impact on staff.

Stressors and physiological reaction

The common factors are a mix of adverse or threatening environmental condition which result in stimulation of neurohumeral mechanisms mediated through the hypothalamic-pituitary-adrenal axis which result in a widespread physiological response.   Stressors initiates a neuro-humeral cascade which finally affects the whole body. In the acute phase threatening environmental stressors result in the ’fright, flight, fight’ response. In evolutionary terms these are an important survival mechanism. In modern office conditions they can be the reverse.

Physiological (environmental) stressors

Stressors , in addition to excess temperature and humidity variations and ergonomically incorrect furniture, include less obvious environmental components.   Office equipment generate saw-tooth sounds which in nature are used by animals as aggressive warning signals and square wave sounds which are used for identification. Both cause alarm and are likely to be stressors in humans. At high and prolonged level, noise is rare in nature but poor acoustics in an office leads to raised voices, distraction and increased measurable levels of stress hormones.

Lighting by ordinary fluorescent tubes may appear white, but actually only emit light mainly in a narrow band at the yellow end of the spectrum. Only some 8% of the photo-receptors in the retina are stimulated (as compared to 79% in daylight). Added to this, and because of the ‘omni-directional’ nature of the light, some 25% of the light is lost as ‘glare’ – that is, light striking the eye directly and containing no visual information. A 52 cycle ‘flicker’ (in UK) is caused by the conventional ballast of fluorescent tubes. Refresh rate is detected by the eye although not registered by the conscious mind. In addition this rate interacts with that of the VDU screen (at 60-70 cps). This produces an even more deleterious flicker effect.

Micro-climatic conditions in most offices are equivalent to the stressful conditions that occur before a thunderstorm or during prolonged desert winds due to the positive ionisation caused by electrical and electromagnetic (EMF) emissions from the multiplicity of machines in the modern office.

Chemical and particulate pollutants are potentially pathogenic, and are therefore stressors. These are in low concentration in nature and easily dispersed by air currents or denatured by ultra violet light. The high levels found in industrial society are even higher in an enclosed office space where some are being produced.

Toxic Volatile Organic Compounds (VOCs) are produced by new carpets and furniture. Viruses, bacteria, moulds and their spores are provided with ideal culture habitats and also dispersal systems through inadequate air conditioning.

Microparticles.   Computers and in particular CRTs create microparticles of carbon derived from incinerated shed squame skin cells. These can penetrate the lining epithelium of the lungs and blood vessels and are thought to have an effect on the autoimmune system.

Healthy office

SLEEP & productivity

Anecdotally the first criticism of the 2T concept, back in 1998, was from a CEO “This is too comfortable. My staff will go to sleep”. Although he was lying on the P1 prototype with no upholstery whatever, just correctly shaped ply-wood. I responded that a nap might benefit productivity and it was unreasonable to keep staff awake with uncomfortable chairs.   I was unaware of the later research.    (see ☛ Sleep→ in the early 2T concept under ‘criticism’.)

Vincent Walsh, professor of human brain research at University College, London, suggested that a The Orrb for sleepsleep of between 30 and 90 minutes in the afternoon could help companies improve productivity. A
poll of 2000 UK office workers by the energy drink manufacturer, ‘Lucozade’ (2013), 22% reported having fallen asleep at their desks, usually in mid afternoon, due to an energy slump, usually lasting about 47 mins and associated with large lunches, sleep deprivation, alcohol and ‘unhealthy’ snacks. Research at the University of Michigan found that the subjects who had taken a nap felt less impulsive, and weathered frustration more easily, than those who watched a nature video (No ref). (See ☛Uptake?/Implications?→)

METRONAP

metronap009The MetroNaps EnergyPod is intended as a sleep module for users who wish to take a nap.  The hood allows it to become a semi Pod. It is of interest as it could be incorporated into a 2T chair (3M or 4M) and contain the monitor etc.

On their website they say “In recent years, countless studies have extolled the virtues of napping.  A quick power nap can sharpen your focus , boost creativity, and mitigate the effects of sleep deprivation. But if you work a 9 to 5 at an office, how can you fulfill your nap quota without being called out for sleeping on the job?If you work at the posh offices of Google, The Huffington Post or Cisco Systems Inc., you take a break from your desk and slip into your own private “sleeping pod.” The $13,000 pods are the brainchild of Christopher Lindholst and Arshad Chowdhury, who have been preaching the benefits of napping at work since they opened their company MetroNaps in 2004. Starting out as a retail operation, MetroNaps now manufactures a line of sleep pods and acts as a kind of “sleep consultant” for companies, offering guidance on how to work napping into a work culture that they say is becoming increasingly accepting of the idea.”

Arianna Huffington, Editor in Chief, Huffington Post Media Group“When we first started the nap rooms, a year and a half ago, people were reluctant to use them. Now, we need to open a third one; they are so overbooked. People blog even about the impact it has on them to just get 20 minutes in the middle of the afternoon.” – As quoted in CBS This Morning, June 12, 2012 http://www.metronaps.com→

From Screen Shot 2019-01-17 at 11.32.12 An Australian  ‘sleep solutions’ provider’

  •  https://www.ahbeard.com.au/sleepcoach/5-things-you-should-know-about-your-sleep-work-and-productivity/
  • Sleep influences creativity and innovation.  Lack of sleep affects the prefrontal cortex of the brain – the area responsible for innovation, creativity, and self-control. A 1999 study found that going 24 hours without sleep noticeably impairs our ability to think flexibly or make updates to plans in light of new information. So it’s not just the quantity of tasks we get through each day that sleep influences, it’s the quality.
  •  Sleep deprivation and stress go hand in hand.   “In the sleep world, stress is to sleep as yin is to yang — opposite forces that are forever linked,” says Chris Winter, M.D. “Stress prevents sleep. Sleep deprivation increases stress and its consequences.”
  •  We need to switch off.   As our cities and societies become increasingly active 24 / 7, our working hours follow suit. Not to mention, these days we quite literally carry our work around in our pockets. While our smartphones make our lives more convenient in many ways, they come with the cost of never really switching off – and it’s becoming more prevalent. Our studies through the Six Week Sleep Challenge tell us that almost 50% of Australians between 20 to 30 cannot go one week without using their smartphone in bed. Which could have something to do with the fact that trouble getting to sleep is more common amongst our under 30s than those over 30.
  •  Naps are good.   No, this is not a drill. Several studies (including one from NASA and one from Harvard) have found that just a 20 to 30 minute nap increases our alertness and our productivity. The trick is to time your nap right. Not too short, because you need enough to feel a difference. Not too long because you don’t want to fall into a deep sleep that could mean you wake up feeling groggy. ‘Just right’ means about 20 to 30 minutes in the early afternoon or straight after lunch.

SLEEP & the 2T concept

It is easy to have a nap in the 2T reclined mode,    see ☛Early 2Tilt chair CONCEPT and criticism→ .  For privacy in a busy office it is possible to design a hood that can be pulled down.    This would be more universally adopted and much less expensive in both cost and space. than a dedicated system. With the advent of AI and robotics offices will be geared to the emotional and physiological requirements of the highly paid staff.   2 Tilt chairs and their 4M derivatives will be exactly relevant.

Return to  MANAGERS on OFFICE HEALTH

 

For ARCHITECTS. ‘Coolness’ is the word.

 Architects & office chairs.   For New offices ‘Coolness’ is the word to  excite media interest for both the company and for  Architects or Designers.   Most firms aspire to project this cutting edge image.    A 2T chair answers this exactly and in addition reduces LBP and increased productivity by lessening stress and morbidity.

Many distinguished architects have tried their hand at chair design.

A few examples are shown.

Screen Shot 2018-12-13 at 16.04.05Great architects, as can be seen from their efforts, have been sorely lacking in knowledge of ergonomics  when it is only ergonomics that determines comfort and avoids harm to the spine.   

See also how they have muddled the ergonomic advantages of the Roorkee chair.   However, bright young  architects already see the point.   This early example by Aaron Chetwynd was much admired.   Deliberately looks traditional so as not to excite Familiarity Bias, and frighten the horses.  With only a few minor design alterations it is ready & suitable for a 3 or 4M model.

Architects play an important part in development.

They are able to dictate requirements for projects.   Ergonomic knowledge  becomes vital to avoid stipulating work chairs with potentially harmful outcomes.

THE RELEVANCE OF THE 2t  (3M, 4M) concept

All the relevant factors are ticked :-

Screen Shot 2018-06-16 at 16.05.47 A CONCEPT only allowing INDEPENDENT DESIGN. Based on the bio-medical evidence, provides a template for optimising the ergonomics of chair design.

Screen Shot 2018-06-16 at 16.05.47Based on the scientific bio-medical research it identifies & remediates each & every adverse effect of the upright work position responsible for musculo-skeletal discomfort which include backache, LBP, and more serious spinal breakdown. The only solution to do this ☛ 2T CONCEPT a full solution

Screen Shot 2018-06-16 at 16.05.47Maximises comfort.  This depends on the ergonomics and NOT on short term opinion.  Fully correct ergonomics = maximum comfort. →

Screen Shot 2018-06-16 at 16.05.47Provides dynamic MOVEMENT under the control of the user.  Affects health & comfort and also has a rehabilitation use   ☛EXERCISE & movement→. ☛ The unstable TRANSITIONAL MODE. It’s importance. →

Screen Shot 2018-06-16 at 16.05.47Reduces manufacturing costs.  Correct design avoids expansive confusing adjustments →

Screen Shot 2018-06-16 at 16.05.47Subsidiary factors include relevance to the modern and future office environment, cost, brand image and user targeting.

Screen Shot 2018-06-16 at 16.05.47Evolves easily into deskless   ☛OFFICE WORK-STATIONS →    particularly relevant to the coming AI, VR & MR developments.  

Screen Shot 2018-06-16 at 16.05.47A PARADIGM shift.  The way ahead?    It is already happening!    The boundaries between contract and home furniture  are decreasing and the division may be disappearing entirely.   The only problem is that no such chair exists yet in the market.   An opportunity for someone?

Office ergonomics

Poor seating is a major stressor resulting in reduced performance and absenteeism. (☛OFFICE HEALTH, Stress & Ergonomics ) and is of importance for Architects.   At present I know of no chair in the market that fully remediates this.     New seating concepts are coming forward which will not only revolutionise seating but also impact on office design. In a few decades a chair set before a desk, and arranged in straight lines will be perceived as not only dated but hopelessly inefficient. There is an increasing interest in this direction (☛WORK-CHAIRS, a new breed with a reclined mode. )     Also see Mindjet which with much hype describes GlaxoSmithKline’s purposed “deskless office” below.   ‘Great it ain’t’ but shows the way things are going.Screen Shot 2016-01-15 at 20.22.14

The designers of this layout obviously did not have the benefit of having seen the work of John Jukes described in  ☛OFFICE HEALTH, Stress & Ergonomics⇒ which were tested in the field but has not been universally adopted.  His recommendations for Office Environment Optimisation  achieve lower staff stress levels and higher productivity.    For a discursive account See Office environment stressors→

 Peter Bessey wrote to me  “Desks are rather a thing of the past – Dickensian even. They evolved as tables with storage developed, alongside chairs. The whole combination seems a way of reducing/avoiding the need for floor sitting or squatting and a means to provide a convenient standing/sitting presentation of objects for working with at an ergonomically higher level.  They were there to support and present paper documents and the like. Hardware, since then, was largely developed to be used with/on them and has evolved through typewriters and similar devices to today’s electronics. Once that demand for physical documents has been reduced and even eliminated by ‘paperless’ office tech., then there is once more a blank page to draw on.”

FOR INTERIOR DECORATORS

Screen Shot 2018-11-28 at 15.32.37The 2T (3M or 4M) derivatives) are the systems of choice for office and longterm home activities such as Gaming, and potential for sleep.   Ergonomics that avoid harmful effects are paramount and secondarily ensure maximum comfort..

In the home sitting is less prolonged and less stringent ergonomic requirements can be allowed. ☛  EASY CHAIRS  .  It is still advisable for ergonomic adverse chairs be avoided.

Screen Shot 2018-12-09 at 20.33.22For a discursive account→

Comment

Dear Henry
Very good account.
Good environmental design for offices must include ergonomics of the workplace to lessen musculoskeletal problems which are common and cause a high degree of absenteeism as well as low productivity. Field trials have shown how a good chair perhaps costing more initially improves the health of the occupant, increases their productivity and decreases the risk of absenteeism.
Derek

Professor D Clement-Croome
‎Professor Emeritus in Architectural Engineering at the University of Reading