Posterior abdominal muscles Flashcards
1
Q
The quadratus lumborum is implicated in the formation of which ligament?
A
the iliolumbar ligament
2
Q
What is the insertion of the quadratus lumborum?
A
transverse tubercle of the transverse process L1-L4 & 12th rib
3
Q
What will innervate the quadratus lumborum?
A
the ventral rami of T12 & L1-L3 or L4 spinal nerves
4
Q
What is the origin of psoas major?
A
vertebral bodies T12, L1-L5, S1 and transverse processes of L1-L5
5
Q
What will innervate the psoas major?
A
primarily the ventral rami of L2 & L3, may include ventral rami of L1 & L4 spinal nerve
6
Q
What is the origin of the psoas minor?
A
vertebral bodies T12, L1
7
Q
What will innervate the psoas minor?
A
the ventral ramus of L1 spinal nerve
8
Q
What will innervate the iliacus?
A
the femoral nerve, primarily the ventral rami of L2 & L3
