ATTACHMNENTS:
- The rectus abdominis attaches from the crest and symphysis of the pubic bone to the xiphoid process of the sternum and the costal cartilages of ribs 5 through 7.
ACTIONS:
- The rectus abdominis flexes and laterally flexes the trunk at the spinal joints.
- It posteriorly tilts the pelvis at the lumbosacral joint.
- The rectus abdominis also compresses the abdominal contents.
