Step 1
Sit with a ball between your feet.
Step 2
Push the inside of your feet inward and up against the ball. Relax and repeat. Variation:Repeat exercise with a book under your heel and your toes on the floor.
Sit with a ball between your feet.
Push the inside of your feet inward and up against the ball. Relax and repeat. Variation:Repeat exercise with a book under your heel and your toes on the floor.