You are also stimulating the muscles of the core — the deep pelvic, abdominal, and low back muscles — which are essential for good posture and balance and movement control , says Pire. The ball stimulates the smaller, stability muscles, says Ross, in addition to the muscles being used in the exercise.
Read moreDoes sitting on a balance ball do anything?
Sitting on the ball works your core, strengthening those muscles so that your spine is supported, resulting in better posture . You will find that you sit up straighter and over time you will walk taller. Better posture is very good for your spine, making it more flexible and stronger.
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