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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Increase lumbar (low back) mobility . Increase abdominal and back muscle strength. Increase balance and stability. Develop overall control and strength of the core body muscles.
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