The Crystal Edge Exercise Ball improves core strength, flexibility, balance, coordination, and muscle tone. Just sitting on the Crystal Edge Exercise Ball forces you to balance which strengthens the stabilizing muscles. Your body alignment immediately becomes more correct making your workout more effective with less risk of injury as you move through the exercises. The detailed, easy-to-follow workout chart demonstrates exercises for the arms, torso, abdominals, obliques, buttocks, and legs. The Crystal Edge Ball 30 minute workout DVD is also recommended. A foot pump is included to make inflation easy and quick. The Crystal Edge Exercise Ball is your secret weapon in strengthening your core and more.Stamina Crystal Edge 55cm Ball with Pump
The Crystal Edge Exercise Ball improves core strength, flexibility, balance, coordination, and muscle tone. Just sitting on the Crystal Edge Exercise Ball forces you to balance which strengthens the stabilizing muscles. Your body alignment immediately becomes more correct making your workout more effective with less risk of injury as you move through the exercises. The detailed, easy-to-follow workout chart demonstrates exercises for the arms, torso, abdominals, obliques, buttocks, and legs. The Crystal Edge Ball 30 minute workout DVD is also recommended. A foot pump is included to make inflation easy and quick. The Crystal Edge Exercise Ball is your secret weapon in strengthening your core and more.