Flashcards in Posterior Abdominal Muscles Deck (8)
The quadratus lumborum is implicated in the formation of which ligament?
the iliolumbar ligament
What is the insertion of the quadratus lumborum?
transverse tubercle of the transverse process L1-L4 and 12th Rib
What will innervate the quadratus lumborum?
the ventral rami of T12 and L1-L3 or L4 spinal nerves
What is the origin of the psoas major?
vertbral bodies T12, L1-L5, S1 and transverse processes of L1-L5
What will innervate the psoas major?
primarily the ventral rami of L2 and L3, may include ventral rami of L1 and L4 spinal nerves
What is the origin of the psoas minor?
vertebral bodies, T12, L1
What will innervate the psoas minor?
the ventral ramus of L1 spinal nerve