I do like this sort of instrumental rationality post, but would like to see actual citations rather than mere claims of "overwhelming" evidence. Thanks for your service.
I got explicit permission from lukeprog to make this post without having lukeprog levels of citations. He's set a sort of impossible standard for mortals to follow. I agree that I would also like to see such citations, but I'm busy, and this post took me thousands of hours of procrastination and three hours of actual writing. I will do what I can to come back through and add citations later, or address specific citation wants in the comments.
Of course, I'm not actually in a position to give anyone "permission" on such matters. What I remember saying was that "As far as I can tell I am the only one penalized by not including citations, so hopefully you'll do just fine. I'd rather see the post written than have it be delayed a month or never happen due to an expectation for citations." Eliezer rarely gave citations, and people seemed to like his posts just fine. And if LW writers begin to think they need to have a lukeprog quantity of citations, then every LW writer will procrastinate on posts until the Singularity happens.
Anyway, thanks for writing this post. I wish I could afford an Aeron. I may get the Furinno.
People's expectations of citations are really high compared to people's willingness to cite.
Like, the citing is aversive/boring enough that it's currently a major barrier to me continuing to post about consciousness. I would have probably written at least twice as many articles as I did if I didn't have to cite.
I really love the well-cited content, but think that we're definitely losing articles that I'd like to read because they think that they should be citing things.
The problem isn't really lacking citations (after all, Yudkowsky's posts generally don't have many citations). The problem is saying "The evidence for X is overwhelming", while failing to provide any evidence of X. It's effectively saying "take my word for it".
So here are a few reviews:
I got used Aeron chair (the thing lasts forever, unlike other chairs I had that seemed to last 6 months on average), 30" (2560x1600) monitor, Microsoft Natural Ergonomic Keyboard 4000 (which I use with Dvorak layout), and all of that was some of the best money I've ever spent. I also get the largest desk I could fit in my place, and I still regret that I couldn't get anything bigger. These are awesome ideas.
I tried many memory foam pillows, and they are a bit better than "normal" pillows, but I haven't been terribly happy about any of them. I always sleep on my side (I'm literally unable to sleep in any other position, no matter how tired, how the hell people sleep in airplanes or trains is a mystery to me) - people who sleep on their backs have very different pillow needs, so if you hear recommendation from someone who sleeps differently, disregard it completely.
Unless you're running a lot, and virtually nobody does, "barefoot shoes" seem entirely pointless, and their main effect will be marking you as a total nerd publicly.
Fidgeters are much less likely to be obese than non-fidgeters.
Correlation called, it wants its causatio...
We can hack this a little by working while lying down
Almost all guides on how to prevent insomnia recommend not lying in bed doing anything else than resting or having sex so that you (roughly speaking) “won't confuse your body/brain about when it's supposed to rest and when it's supposed to work”, and in my experience that works quite well (even though I would describe that more like “you will be tired enough that it will be easier for you to fall asleep when you go to bed”).
Even just learn to type properly. I'm shocked how many people who type all day every day haven't bothered to spend a few weeks. (See linked post for full rant on the subject.)
The Microsoft squishy keyboards are very nice. Definitely my favourite Microsoft product ever. I have one at work, paid for by work - see if you can get one from your workplace.
(What I really want is a Microsoft Natural layout with Model M buckling-spring keys.)
"I like memory foam mattresses. A minority of people really don't."
I tried a memory foam mattress - the Tempurpedic Cloud Supreme, queen size. This is a $3000 bed. It felt amazingly soft in the store. But when I tried it at home, it was unbearable, for 2 reasons:
I don't roll over in my sleep. Doctors don't believe me, but I don't. Memory foam is very good insulation. So I would wake up around 3AM, drenched in sweat, because the foam underneath me was about a hundred degrees Fahrenheit, then roll over to a cold part of the bed, then wake up 3 hours later when that part got hot.
People talk about getting back support from a bed. You don't want back support. At least, not when we're talking about the small of your back. With soft memory foam, the heaviest parts of your body - your torso and your butt - sink deeply into the foam over time. The small of your back does not. Pretty soon your body is in an upside-down-U shape, with torso and butt sinking down into the bed, while between them the small of your back is bent over a lump of memory foam that it isn't heavy enough to squash. Painful.
Before that, I had a semi-wave waterbed, a very cheap one (for a wat...
Citations desperately needed. Your methodology seems to be, "If someone tries to sell me something claiming it is more ergonomic, it must be better enough to be worth the money!" In particular, I recall reading (I will see if I can find my source shortly) that the studies showing Dvorak keyboards superior were run by Dvorak himself, and subsequent studies have failed to duplicate his results. I don't know about Aeron chairs or the other things you mention. I can confirm that Aeron chairs are comfortable, but have seen (first because I haven't looked) no evidence that they are better long term.
Edited to add: XKCD mentions it, but then there's this leading here, but also pointing out this and this counter to the original article. In any event, it seems wrong to say that Dvorak is clearly better - things generally seem murky. For me, 1) the ability to sit down at any computer and immediately have my full typing speed, and 2) not having to retrain significant habits, and 3) not having to reconfigure all of my keyboard heavy programs are clear and significant benefits of QWERTY. Trading these off for questionable gains is foolish. Trading these off for clear gains may make sense - but show me the studies.
My methodology is having an unusual amount of subject expertise on the subject and then spouting my own wisdom. My wisdom is backed up by an undergraduate degree in industrial engineering where the only thing I ever really enjoyed about industrial engineering was ergonomics, and subsequent continued efficient absorption of information on the subject.
Dvorak is only barely superior to QWERTY keyboards for speed; it's true advantage is in comfort and preventing RSIs.
Has there been any research into the effects of turning your monitor to portrait (e.g. 1024x1280) rather than landscape? I have my work monitor set up this way and it's so much better for pretty much everything I do with it. Landscape is good for watching movies from across the room, but PDFs and terminals and web pages and spreadsheets and documents in general work very well indeed in portrait.
ETA: I set younger teen's PC up this way and she refused to go back to landscape. She's a complete and utter technophobe whose usage pattern is social media, YouTube and Windows Live Chat. I don't think she even bothers swivelling it back for movies. I recommend people try it and see if they like it.
Is there any data supporting the idea that dvorak/colemak/some other new keyboard layout are actually better than qwerty. Like, actual data collected by doing research on actual people that type stuff, how their layout of choice affects their health and typing speed. I do know that you get figures like "on average your fingers travel twice the amount if you type on qwerty as compared to some other layout", but actual data from actual typists?
Thanks for opening the floodgates on this topic. The bikeshedding reactions strike me as kind of silly, given that "failing to even try to optimize for ergonomics" is a much bigger and more prevalent issue than any of the individual decisions.
While we're trading good ergonomics secrets, I'll point out that Mac BreakZ is pretty exceptional as these things go. If you're banging away on a MacBook every day like me, you should start using this before you get a repetitive stress injury (RSI).
Also if you already have wrist-strain issues, try typing in Dvorak. Seriously. Due to my past computer usage, I used to have to wear uncomfortable wrist braces every night to prevent my fingers from constantly going numb. After several years of suffering with this and assuming I would one day need carpal tunnel ...
One shoe that I can recommend for the "barefoot" style people is the Feiyue. It is very, very padding-light (designed for martial arts), very inexpensive (~15-20 USD from Amazon.com), and doesn't look as affected as other "barefoot" shoes can. Indeed, the rights to produce Feiyue and Feiyue-inspired shoes in the West are owned by a French company that has attempted to make Feiyue a style icon, so I've actually received compliments on mine on the streets.
Of course, the "stylish" French version costs 3-5x as much and doesn't hav...
Since commenting on old posts is now, like, officially encouraged, I'll share my experiences here.
First, Aeron chairs ARE NOT FOR EVERYONE. I worked in an office where every chair was an Aeron for more than a year, and it was a source of deep physical misery. Yes, I know that they're highly adjustable; I'm pretty sure I messed with every single flap, knob, and lever on them. But none of those doo-dahs fix my fundamental problems with the Aeron.
The Aeron's design forces you into an 'ergonomic' sitting position. This is terrible...
A useful article, thanks. I particularly appreciate the context of spending money on ergonomics as we'll use it for 80000 hours, or so! Very interesting way to rationalize spending money on ergonomics.
I find using a Fitball as a chair facilitates the fidgeting mentioned and it's quite real that using an appropriately sized fitball will provide many of the ergonomic standards, like horizontal thighs and forearms. A fitball doesn't facilitate a straight back, instead it encourages one to strengthen one's core muscles and hence decreases lower back pain indu...
We can hack this a little by working while lying down, though many people have trouble focusing given the implied lack of focus of a lying down position.
The second part of this sentence matches my experience: I foolishly tried saving the cost of a desk for a while by using my computer lying in bed. Eventually I bought that desk and it was one of the best investments I ever made: my ability to stop procrastinating and avoid distractions went through the roof as soon as I was upright.
not enough space, and bouts of blanket stealing
An extra blanket solves that problem for about $20. A full-size bed will suddenly feel large when you don't have to snuggle just to fit under a blanket. Oh, and get that dog off the bed.
I'm new to this site and I love the title, "less wrong". As a ergonomics trainer, I can identify with the "less wrong" concept vs bio-mechanical perfection which, is usually unobtainable in the average (even above average) workplace. That said, I see a number of people taking exception to the idea of "working in bed". I would absolutely agree that routinely working in bed is just plain inadvisable whether one thinks this is ok or not. Good ergonomics is as much about breaking bad habits as it is about adopting new ones. This i...
I'll buy a toe shoe when they're warm, waterproof, and increase my height by an inch and a half. :P
/me loves his hiking boots
Ergonomic keyboards are nice, but even more importantly, I'd recommend one with mechanical switches. Best thing I ever bought. Cherry has good cheap ones, but mechanical switches last forever, so you could also go with an old Model M. I also use my own custom keyboard layout, but Dvorak is just as good for most users, really, but I'm an Emacs user, so there. (I use 7 modifiers. Don't judge me.)
Honestly, I don't get office chairs. I think they're all horrible. I use big, comfortable reclining chairs with plenty of pillows. Recent research backs me up on thi...
I'm a university student trying to decide between the Torbjorn and an Aeron. Normally I'd just go with the cheaper option, but I'd like to know if there's enough of a difference to justify spending ten times more on the Aeron. I've worked in an Aeron before, and while they're very comfortable, I don't want to drop that kind of money on comfort without long term benefit.
Does anyone have any numbers or anecdotal evidence to help sway my decision in either direction? Thanks!
Also, DVORAK is strictly better than QWERTY, ignoring the inconvenience of being forced to switch back and forth between keysets.
Extra Datapoint: I've used Dvorak since I was 13. It took me maybe a week or two of using it to do my homework before I felt comfortable. Back in 1998, it was a pain in the ass for my family for the first few years because it was tricky to switch the computer back and forth, but this is a solved problem in modern OSs. The last time I experienced the slightest inconvenience from using Dvorak was 4 years ago when I was in colleg...
One thing that was saliently missing from this post: the importance of being able to move screens and input devices around. I got an Ergotron Dual Arm and it's great, and I also have made sure to set up so that keyboard and tablet can be moved around a very large surface. Not only does this allow optimizing the positions, it also enables a second type of fidgeting.
Not sure if you count it, but another thing is light levels, screen size and quality, and even basic aesthetics. And things like air quality and temperature to I guess... Yea, maybe those should be in a more general "work environment" post.
Anyone have an estimate or range on how long it takes to switch from QWERTY to DVORAK? I copy at about 80 wpm and compose at about 30 wpm, and have invested about 100 hours in learning / drilling / exploring QWERTY techniques. How long should I expect to spend learning DVORAK?
My current stack of optimizations:
Keyboard layout: NEO 2.0 - optimized for German. Maybe someone feels like putting together a engl. version. It has some added niceness besides the arrangement of the letters. For engl. users Colemak seems best.
Using as much monitor space as can fit on the desk. 24" monitors are affordable now. I use a few of them. For traveling I have a underpowered netbook, that is lightweight and still fine.
To use multiple computers on the same desk check out synergy. It is just awesome.
All my computers run f.lux, which dims them do...
This should be crosslinked with the http://lesswrong.com/lw/gx5/boring_advice_repository/ (there are some entries present that give some of your advice exactly (albeit shorter).
If you must do your computing while sitting (and do consider alternative standing desks, treadmill desks, or a desk suited to computing while lying in bed), then a good chair is a stunningly good investment.
You didn't mention sitting on the floor! The best solution here is to ditch your chair, get a low table, and start sitting on the floor.
Also, DVORAK is strictly better than QWERTY, ignoring the inconvenience of being forced to switch back and forth between keysets.
And carpalx is strictly better than DVORAK. It even has an option to keep zxcv in place, which makes adoption that much easier (as those are the most common shortcut keys).
I'm 5' 11'' and I just can't quite fit in my Hyundai Elantra. No matter how I adjust the seat, I can't get in a perfectly ergonomic driving position.
This surprises me, as I am 6'0" and my dad is ~6'2" and we both enjoy our Elantras. Is the issu...
What can I do given that my home computer sits on a desk which comes up almost to my chest, and my mouse is in front of my computer on the edge of the desk, so that in order to use it, I have to let my arm hang down from the shoulder, bend back up at the elbow, then forward with the edge of the desk touching my wrist? I've tried setting the mousepad on my knee, but the armrest of my chair gets in the way. And I still have to move both arms back up to type, and they're sitting on the table to get them into typing position. Needless to say, of late, my right wrist hurts...
This exercise ball chair helped me a lot with lower back pain. It's also a lot of fun and stress-relieving to bounce around while working! Additionally I built a high table to occasionally type standing up, which is also fun/effective.
On the car thing, if you can't improve it maybe you can decrease it. Have you investigated your local mass transit options? I travel entirely by train, and it's very comfortable because I have room to change position whenever I want. Also, I get my commute time back as reading or gaming time. Granted, I live in NYC, which makes it easier, but many cities have more options than you'd expect.
I realize moving closer to your destinations, or to a city with better mass transit, are very big deals and probably not worth it for the ergonomics alone, but next time you move anyway, this may be worth keeping in mind.
Interestingly I can sit and work on the PC almost the whole day with no problem (I do shift positions a lot and have breaks, move around). But I can't read a book for a comparable time-span without getting neck and shoulder ache. And that despite changing positions a lot more. Reading while standing, while sitting, which laying in all kinds of ways. Does anybody have an idea why?
Marginally ergonomic issue, but in the "optimization via computer peripherals" bucket Twiddler keyboard looks interesting http://handykey.com/specs.html. For one you can type in bed without need for a table, but also good potential input for wearable computers that are around the corner. See http://www.youtube.com/watch?v=_V2i_7oX8mw (I think this guy is working on http://9to5google.com/2011/12/19/google-xs-wearable-technology-isnt-an-ipod-nano-but-rather-a-heads-up-display-glasses/)
I've noticed that the temptation to rest the arms which you've mentioned with regard to office chairs also happens, in a different way, when I'm driving. When I'm lazy or tired I sometimes allow my arms to fall, and just hold them up by clinging on to the steering wheel. This is not good for stability of steering.
This post is the typical mind fallacy (well, typical body fallacy, as the case may be) running rampant. Almost all advice you state as unconditionally useful works for some, but does not work for others.
QWERTY keyboard may or may not be an issue, depending on the person. Same with chairs, desks, mattresses, bare feet, Mac vs PC (OK, you didn't discuss that one, but it felt like you did), fidgeting, car[seat] choice...
No one ever regrets improving their ergonomic well-being.
But quite a few find that it was not worth the price and did not live up to t...
A Kinesis Advantage contoured keyboard is amazing. Hard to get used to. I would use it, but it doesn't have the windows keys, which I remap to the mouse buttons. The single worst thing you do at your computer is click the mouse button. You must not click mouse buttons. The entire wonderful ergonomic Kinesis keyboard is not worth clicking mouse buttons for.
Also, the 'esc' key on the Kinesis is truly horrible. It's basically a tiny, mushy, rubber mouse button way up in the corner that's hard to press and doesn't work half the time. Literally the single worst key I have seen on a keyboard, ever, including the Timex Sinclair and my smartphone touchpad.
Warning: This is an applied rationality post, about rationality applied to a specific area of life, not a generalized rationality post.
Ergonomics is incredibly important. Sadly, so many of us in the techno-geek cluster ignore well-defined best practices of ergonomics and develop the infamous hunched back of late night computer toiling.
Seriously, ergonomics is basically a solved problem. The mathematics of anthropometry in relation to body mechanics and repetive stressors on the body are quite well understood.
I am here to offer you a basic, incredibly important, yet widely ignored lesson of rationality.
Spend money on ergonomics!
I really can't emphasize this enough. It's such low hanging fruit, yet I know way too many master aspiring rationalists with egregious ergonomic setups.
It is accepted wisdom on Less Wrong that optimizing your career is important, because you'll spend 80,000 hours working on your career. Strikingly, ergonomics presents an even larger time-based optimization opportunity. With straightforward monetary investment, you can dramatically improve the next hundreds of thousands of hours of your life. The effect size here is just enormous. Spend money on ergonomics, and you will be less fatigued, more energetic, more productive, and healthier into the later years of your life.
Chairs
If you must do your computing while sitting (and do consider alternative standing desks, treadmill desks, or a desk suited to computing while lying in bed), then a good chair is a stunningly good investment. If you make your living while sitting in a chair and computing, what is a $500 investment in your comfort and good health and productivity while sitting? A used Aeron from Craigslist costs around $500 and is the gold standard of ergonomic chair design.
At the low end of ergnomic chairs, the Ikea TORBJÖRN gets a hearty recommendation. It's only $39. Buy some extras for your visitors? That's what I did but then they all ended up in the rooms of my roommates. At the midrange, I have recommended the Ikea Verksam, but it appears to be discontinued. I think the current model Volmar is similar enough though I have not personally sat in it.
The important thing when getting your chair is to make sure it actually fits your body enough to let you sit in a proper ergonomic position. Note that the model in these OSHA images is committing an ergonomics no-no by using arm rests. Yes, I know they feel good to rest your arms on, but they're a crutch. Most all of the positions where you are resting your arms on your armrest are really bad for typing 8 hours a day. Just take the armrests off of your chair and start building up your arm strength. Similarly, avoid chairs with head rests.
Keyboard
Unsurprisingly at this point, I will declare that ergonomic keyboards are just better. They used to be a premium product, but now Microsoft's entry level ergonomic keyboard is only $25. Also, DVORAK is strictly better than QWERTY, ignoring the inconvenience of being forced to switch back and forth between keysets.
Sleep
Ironically, given that it is the default environment for computing, sitting is not very good for the body compared to standing or lying. This makes sense in an evolutionary biology sense -- the human body was definitely designed for working while sitting up, and sleeping while lying down. We can hack this a little by working while lying down, though many people have trouble focusing given the implied lack of focus of a lying down position.
So, a good mattress can be an investment in both your sleeping comfort and your working comfort. I think a good mattress is even more important than a good chair. You spent 1/4-1/3 of your life asleep! I can accomplish no useful work without a good night's sleep.
If you sleep with (or ever plan on sleeping with) a partner, get a queen size bed. A US full size bed is equal to 1.5 twin beds, which doesn't fit two full size adults. My parents sleep on a full size bed (along with a small dog!) and are plagued by insomnia, not enough space, and bouts of blanket stealing. Apparently, it was not uncommon among their generation to prefer the forced physical closeness of a smaller bed. This is ok sometimes, of course, but when we're talking every night, you'll sleep better when not forced to be crushed up against your partner.
A king size bed is even better, of course, if your room can fit it. I got a king size bed because my partner and I both like to compute while lying down in bed, and two people plus computers fit much better on a king size bed than a queen size bed.
I like memory foam mattresses. A minority of people really don't. My heuristic on this is that if you think you'll like a memory foam mattress, you will. One nice thing about memory foam is that it doesn't transmit vibrations from one side to the other. This means that you could probably sleep while someone else is jumping on the other side of the bed. That would not work on a conventional spring mattress. I've heard latex mattresses are even better but I'm too cheap to take my own advice to the full logical conclusion.
Feel free to skip the box spring, unless your bed requires one.
Driving
This is an area where my own ergonomics falls short. I'm 5' 11'' and I just can't quite fit in my Hyundai Elantra. No matter how I adjust the seat, I can't get in a perfectly ergonomic driving position. I refuse to buy another car until I can get one that drives itself, so for now, it seems like I am stuck with a somewhat unergonomic driving experience.
On hand positioning, note that the 10-2 advocated by some DMV and then driver's ed is basically wrong. Whatever slight advantage it might offer is offset by the risk that your arms are between the airbag and your body during a crash. 9-3 is a new conservative choice. I drive 8 and 4. The California DMV manual now supports this.
Fidget more often
One of the most important points of ergonomics is that injury comes from sustained stress. The body can handle a little bit of a stress for a short period of time without much in the way of problems. People often walk into a room and see me scrunched up in the most awkward seeming, obviously unergonomic and uncomfortable looking positions. Why do I do it? Well, it turns out that your body can tolerate almost any position at all for short periods of time. The important part is to notice when your body is experiencing too much stress and shift positions.
Take a step back from this article and note how your body feels, as you are situated. Do you notice any discomfort or stress in your neck, shoulders, back, or lower body? Try fidgeting into a more comfortable position. Next time you notice stress, fidget again. Repeat for the rest of your life.
The science of fidgeting is still surprisingly undeveloped, though more evidence is coming out in favor of it. Fidgeters are much less likely to be obese than non-fidgeters. Fidgeting also works as a technique to help with focus -- it's well documented for ADHD people, but fidgeting doesn't just help ADHD people focus.
Try barefoot shoes
Vibram Fivefingers are popular enough among aspiring rationalists that I frequently joke about the cult of the toe shoe. The evidence behind barefoot running as strictly superior to conventional running shoes at this point seems overwhelming. The evidence for barefoot walking as superior to shoe'd walking is less so, but it seems intuitive to me -- when you actually get tactile feedback from your feet painfully thudding against the ground, you're more likely to walk in such a way as to minimize stress on your body.
I really like Fivefingers, but got annoyed with random passerbys asking me about them everytime I leave my house. Also, they have a tendency to fall apart after heavy use and repeated washings.
The cult of the toe shoes seems to be moving onto Ninja Zemgears. They're also much, much cheaper than Fivefingers, so it's not as big of a deal when they inevitably fall apart. They are also much less intrusive as footwear than Vibrams. People notice them less, and when they do, they think you are wearing comfortable Japanese slippers (Tabi shoes) rather than monstrous toe forms.
--
I've offered a lot of suggestions here for how to actually improve your life. If you do this sort of life-hacking, you will be able to actually notice that you are happier, less fatigued, more energetic, and more productive. Just try it. No one ever regrets improving their ergonomic well-being. You'll get to spend more of your day at your peak level of performance instead of in a tense, fatigued, or uncomfortable state.
I'm happy to answer specific questions or give product recommendations in the comments.