With the deepening of breathing, the hips will drop a little and the degree of stretching will increase. We can strengthen it in another way. The back knee is close to the front, and the front foot is pulled back, and the position remains the same. It just exerts a tendency of approaching, which will stretch the muscles in front of the buttocks more deeply, lift the hind legs off the ground, extend your hands as far as possible to the instep, and then pull them to the buttocks. The anterior muscle group of the thigh has a thigh directly connected to the pelvis. This body