Muscle Quadratus Inferior

The quadratus lumborum muscle is part of the pelvic floor. It is located under the rectus abdominis muscles and is involved in maintaining internal pressure in the abdominal cavity, and also stabilizes the position of the pelvis during sitting and other movements.

The teres inferior muscle is located at the very bottom of the back, at the level of the lower ribs. It is one of the most powerful muscles in the body. This muscle takes part in stabilizing the spine, performs the functions of an asymmetrical extensor of the chest - it is involved in straining during childbirth, getting out of bed after childbirth, and in women in the third stage of labor and childbirth. And when you exhale