Hold the ball completely in the palm of your hand and do ten hand stretching exercises, first with your right hand and then with your left hand, alternately.

Grip ball, also known as decompression ball and vent ball, is a fitness ball popular in Europe and America. It is made of durable and highly elastic materials, mainly round and egg-shaped. Soft to the touch, suitable for all ages. Can exercise the firmness of palm muscles and the flexibility of fingers, and is suitable for primary strength training and rehabilitation training.