If you re using the exercise ball as a chair however the university of minnesota extension recommends using a ball one size larger than you would for typical exercise.
Exercise ball for desk chair size.
Measure your current chair and aim to have the diameter of.
Use a 26 inch 65 cm exercise ball if your desk is the industry standard height of 30 inches 76 cm.
5 11 to 6 7 height.
If you are of average weight and you are under 5 3 160 cm you should choose a 55 cm 21 7 inch diameter exercise.
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Hard to find 85 cm exercise balls are appropriate for individuals over 6 feet 8 inches.
It s important to note however the above size is just a general recommendation.
The metal chair frame offers four leg rest and four backrest positions and like similar styles the ball can be removed and used.
So while for exercising purposes you would use a 45 cm ball if you are 5 feet tall for sitting at a desk you should use a 55 cm exercise ball.
Additionally choose a ball that is 4 inches 10 cm taller than the height of the chair you re replacing because the ball will deflate once you sit on it.
Choose the right fitness ball for your height and weight.
You should be able to sit with your knees at a right angle and your thighs.
75 cm ball an exercise ball when size properly makes for an active chair when sitting at a desk.
According to the university of minnesota extension you should use a bigger sized exercise ball.
So for example an individual up to 5 feet tall would bump up to a 55 cm exercise ball.