The bosu ball is an unstable surface that we use with standing, squatting, lunging, jumping and balance exercises. The unstable BOSU ball challenges the lower leg and core muscle to respond to the changing center of gravity.
It is helpful to begin the exercise within reaching distance of a wall for support. First begin with two feet standing on the ball. As you become more comfortable begin squatting with two feet. With improvement you can start standing on one foot.
To make the exercises more difficult: