Lie prone on the yoga ball.
Hands straight to support the ground, legs together; Stretch your back, raise one leg as high as possible, then put it down and switch to the other side. It has the effect of stovepipe and thin buttocks.
standing position
One leg is pressed on the yoga ball, and two arms are crossed and hugged together at the back of the head. The whole body gradually expands to the left, repeating and changing sides. Training the waist has the effect of stovepipe and arm.
Sit on a yoga ball
Legs together, hands high, fingers opposite, take a deep breath, abdomen and chest, and lift your whole body up as hard as possible. Waist and abdomen thin, stand up straight.