Origin
Symphysis pubic, pubic crest.
Insertion
Linea alba.
Blood supply
Superficial epigastric artery, inferior epigastric artery.
Nerve supply
Subcostal nerve.
Action
Pyramidalis helps to contract the linea alba.
Disease/Injury
‘Groin disruption injury’ can produce long-standing pain in pyramidalis.
Muscle Exercise
You can strengthen the pyramidalis muscle by performing exercises that work on your abs.
Interesting Facts
One out of every 5 humans has a missing pyramidalis.
