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Flashcards in Posterior abdominal muscles Deck (8)
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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

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