Posterior Abdominal Muscles Flashcards Preview

Spinal Anatomy Exam 3 > Posterior Abdominal Muscles > Flashcards

Flashcards in Posterior Abdominal Muscles Deck (8):
1

The quadratus lumborum is implicated in the formation of which ligament?

the iliolumbar ligament

2

What is the insertion of the quadratus lumborum?

transverse tubercle of the transverse process L1-L4 and 12th Rib

3

What will innervate the quadratus lumborum?

the ventral rami of T12 and L1-L3 or L4 spinal nerves

4

What is the origin of the psoas major?

vertbral bodies T12, L1-L5, S1 and transverse processes of L1-L5

5

What will innervate the psoas major?

primarily the ventral rami of L2 and L3, may include ventral rami of L1 and L4 spinal nerves

6

What is the origin of the psoas minor?

vertebral bodies, T12, L1

7

What will innervate the psoas minor?

the ventral ramus of L1 spinal nerve

8

What will innervate the iliacus?

the femoral nerve, primarily the ventral rami of L2 and L3