Yoga ball for office chair is bad?

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    Sep 22, 2007 10:03 PM GMT
    Just curious if anyone is in a work environment open enough to let you use a giant yoga ball as an office chair, and actually does it. For the most parts, I've heard it is better than most chairs especially cuz it's like having an ab workout all day. But then I came upon this site:

    http://www.ergoweb.com/news/detail.cfm?id=1091

    Anyone have any successes or failures with using a yoga ball as a chair?
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    Sep 23, 2007 2:01 AM GMT
    I work for 24 Hour Fitness in the corporate office. Using a ball instead of a chair is common and many do not put their feet on the floor to stabilize. The company also produces a product called a body bugg that measures your caloric burn. You will burn more calories sitting on the ball and if you do it properly you will improve your posture and core strength.
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    Sep 23, 2007 5:12 AM GMT
    I couldn't help but post this:


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    Sep 23, 2007 6:44 AM GMT
    I'm actually an Ergonomist and do not recommend the stability/swiss ball as task seating for prolonged periods of time. I agree with what is written on that website, as it is a common opinion amongst Ergonomists, Kinesiologists, Physiotherapists, etc. It's better to find an adjustable task chair with proper back support when sitting for prolonged periods of time. However, the stability ball is a great tool to strengthen the core when used correctly.

    Hope this helps :-)

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    Sep 23, 2007 7:40 PM GMT
    So what do you people who think sitting on a yoga ball is bad think about people who have said it improves their back pains? Do you think that eventually there will be problems down the road, or do you think for some people, it's actually good for them?
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    Sep 24, 2007 3:08 AM GMT
    It's psychological..haha..jk

    It is difficult to dispute biomechanical evidence showing that there is forward rotation of the pelvis that leads to the flattening of the lumbar lordosis. As such, an increase in spinal compression occurs. High compression and shear forces for extended periods of time may result in pain and injury due to spinal creep and degeneration (sitting a few hours a day without back support, days on end). I'm not arguing that the stability ball isn't a good tool to improve core stability...but should only be used for that application, not as task seating. As a side note, any seating posture on any type of seating places greater stress to the spine than lying in the supine position or even standing up.

    I recommend reviewing journal articles (ie. Dr. McGill from U of Waterloo, Chaffin from U of Michigan, etc) from reputable researchers in the field of spinal biomechanics before you come to your own conclusion. Those who have advocated stability balls as task seating either have a steel vertebrae or are trying to sell you a stability ball.

    Sorry if I come across as 'stubborn', but I'm pretty adamant in improper usage of a stability ball.