https://www.elsevier.com/resources/anatomy/muscular-system/muscles-of-abdomen/pyramidalis-muscle/17542
Pyramidalis Muscle | Complete Anatomy
Discover the pyramidalis muscle's origin, action, innervation, and its key role in abdominal anatomy.
pyramidalis musclecompleteanatomy
https://www.sciencing.com/1975862/useless-stomach-organ-pyramidalis-muscle-more-important-to-health/
The 'Useless' Pyramidalis Muscle Has A Potential Health Benefit That Can't Be Overlooked
Sep 29, 2025 - Buried inside most people's hips is a little muscle called the pyramidalis, and scientists think that it helps protect your abdominal organs.