Stuck on a problem? Get great tutoring at an affordable price with Chegg. Click here to join and get your 1st 30 minutes Free!

Rectus abdominis muscle

From Biology-Online Dictionary
Jump to: navigation, search

rectus abdominis muscle

(Science: anatomy) muscle of ventral abdominal wall, flanking the linea alba, and characterised by tendinous intersections separating its length into multiple bellies; origin, crest and symphysis of the pubis; insertion, xiphoid process and fifth to seventh costal cartilages; action, flexes lumbar vertebral column, draws thorax downward toward pubis; nerve supply, thoracoabdominal nerves.

Synonym: musculus rectus abdominis, rectus muscle of abdomen.