Iliopsoas Flashcards

1
Q

Iliopsoas

A

Actually made up of two muscles:

  • Psoas Major
  • Iliacus
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2
Q

Psoas Major

Origin

Insertion

A

Origin:

  • L. vertebrae
  • Transverse processes
  • Intervertebral discs
  • of L1-L5

Insertion:

  • Lesser trochanter
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3
Q

Psoas Major

Action

Innervation

A

Action:

  • Flexes thigh
  • Flexes trunk (if limb is fixed)

Innervation:

  • L1-L3 from lumbar plexus
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4
Q

Iliacus

Origin

Insertion

A

Origin:

  • Iliac fossa

Insertion:

  • Lesser trochanter
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5
Q

Iliacus

Action

Innervation

A

Action:

  • Flexes thigh

Innervation:

  • Femoral n.
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