Exercise balls are soft air filled balls. They are often referred to as swiss balls but should not be confused with medicine balls. Questions are either about the balls itself or different exercises in which the balls are used.

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Is it a good idea to use an exercise ball as a chair?

Does using an exercise ball help strengthen your core and back muscles? Are there any concerns or downside with using a body exercise ball as a chair?
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How do I determine what size exercise ball I should use as a desk chair?

I'm 6' tall with long limbs and currently slouch way to much while coding all day at my desk. I can't switch to a standing desk very easily so I would like to try sitting on an exercise ball. What ...
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Ankle exercises with bosu ball

Years ago I tripped in a hole and got a 3rd degree ankle sprain. One of the exercises the physiotherapist told me was to use a bosu ball and do circles with while standing with both feet on it. I ...
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Psoas Muscles Hurt Using Exercise Ball for a Chair

Will my psoas muscles stop hurting after using an exercise ball for a chair for a while? I've been using the exercise ball as a chair for about a week now 4 hours a day at work, and it seems that ...