Rectus abdominis
| Headline | |
|---|---|
| Action | trunk flexion depresses the ribs active in forced expiration |
| Origin | lateral: pubic crest medial: pubic symphysis |
| Insertion | costal cartilage 5-7, xiphoid process |
| Innervation | T7-11 intercostal nerves (thoracoabdominal), subcostal nerve T12 |
Contained by the Rectus sheath and separated in midline by linea alba