rectus abdominis muscle

(redirected from rectus muscle of abdomen)

rec·tus ab·dom·i·nis mus·cle

(rek'tŭs ab-dom'i-nis mŭs'ĕl)
Muscle of ventral abdominal wall, flanking the linea alba, characterized 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(s): musculus rectus abdominis [TA] , rectus muscle of abdomen.

rectus abdominis muscle

Abdominal wall muscle. Origin: crest and symphysis of pubis. Insertion: xiphoid process, costal cartilages 5-7. Nerve: spinal T7-T12. Action: tenses abdomen, flexes vertebral column.
See also: muscle

rectus

[L.] straight.

rectus abdominis muscle
see Table 13.2.
ocular rectus muscle
see Table 13.1F.
rectus sheath
the sleeve of fascia which surrounds the rectus abdominis muscle and which is derived from the aponeurotic tendons of the other abdominal muscles.
Full browser ?