"origin: pubic symphysis and pubic crest"
"insertion: linea alba at the midway point between umbilicus and pubis"
"innervation: ventral T12 spinal nerve (variable)"
"action: uncertain; thought to tense the linea alba"
"origin: pubic symphysis and pubic crest"
"insertion: linea alba at the midway point between umbilicus and pubis"
"innervation: ventral T12 spinal nerve (variable)"
"action: uncertain; thought to tense the linea alba"
"The pyramidalis muscle has its origin from the bony pelvis, where it is attached to the pubic symphysis and pubic crest. The fibres run superiorly and medially to insert into the linea alba at a point midway between umbilicus and pubis."
"action: uncertain; thought to tense the linea alba"