Abdomen Muscle Anatomy. Lying exposed between the protective bones of the superiorly located ribs and the inferiorly located pelvic girdle the muscles of this region play a critical role in protecting the delicate vital organs within the. It runs from the inner surface of the lower costal cartilages thoracolumbar fascia iliopectineal arch and iliac crest horizontally to the linea alba.
Lying exposed between the protective bones of the superiorly located ribs and the inferiorly located pelvic girdle the muscles of this region play a critical role in protecting the delicate vital organs within the. This article will outline the abdominal muscle anatomy including their attachments function innervation blood supply and related fascia and aponeuroses. This region is served by several muscles that contribute to spine stability in a variety of postures providing the ability to flex side bend and rotate the trunk.
It enables the tilt of the pelvis and the curvature of the lower spine.
This allows movement such as walking and bending. The muscles of the abdomen lower back and pelvis are separated from those of the chest by the muscular wall of the diaphragm the critical breathing muscle. The major muscles of the abdomen include the rectus. This region is served by several muscles that contribute to spine stability in a variety of postures providing the ability to flex side bend and rotate the trunk.
