An exercise ball can be inflated by removing the pin and inserting a pump to inflate the ball until it reaches a desired level of firmness. Discover how more air equals more instability in an exercise ball with help from a Pilates instructor in this free video on inflating exercise balls.
How to Inflate an Exercise BallBy Kendra Ryckman
About the Author
Kendra Ryckman is a Pilates instructor at Simply Pilates, a successful Pilates studio located in Nashville, Tenn.