Low Back Muscles Anatomy Image
Lower back muscle anatomy includes the Multifidus, Longissimus, Spinalis, and Quadratus Lumborum. The muscles of the low back work together with the transverse abdominal muscles to increase intra-abdominal pressure. The muscles of the pelvic floor also help to increase this pressure which provides stability to the spine and trunk.
As with other parts of the body, the back has several layers of muscles. Some are closer to the surface (called superficial muscles). Moving deeper into the body, there are intermediate muscles and deep muscles. The back has different muscle groups that work together to allow movement. There are groups of muscles that move the:
As with other parts of the body, the back has several layers of muscles. Some are closer to the surface (called superficial muscles). Moving deeper into the body, there are intermediate muscles and deep muscles. The back has different muscle groups that work together to allow movement. There are groups of muscles that move the: