Gym Balls for Back Pain
Gym balls are a great way to keep you active, to get fit and to keep your spine and muscles strong.
Gym Balls are used in sports, recreation, in classrooms and offices. By using a Gym Ball as a seat you create instability, which triggers core muscles to become active - it gives you a mini work out while you sit.
While sitting on the ball, the knees should be lower than the pelvis; i.e. the angle between thighs and the upper body should be greater than 90 degrees. For approximate sizes, see table and sketch below.
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