Thread the needle
Start in a push up position. Keep the feet on the middle of the ball. Tighten the muscles in the right leg and abs. Bring the left leg under the chest Return the leg back. Repeat on the other side.
Start in a push up position. Keep the feet on the middle of the ball. Tighten the muscles in the right leg and abs. Bring the left leg under the chest Return the leg back. Repeat on the other side.