Psoas Major Anatomy: Origin, Insertion and Action

⭐ Psoas Major Muscle Anatomy ⭐
💪Origin: Transverse processes of L1-L5 vertebrae, the vertebral bodies of T12-L5 vertebrae and the adjacent intervertebral discs.
💪Insertion: Lesser trochanter of the femur.
💪Action: Flexion of the hip joint (primary action), weak assistance in lateral flexion of the trunk, weak assistance in external rotation of the femur, joint.
💪Nerve: Anterior rami of the first, second and third lumbar nerves (L1-L3).
💪Artery: Lumbar branch of iliolumbar artery (primary source), obturator artery, external iliac artery and the femoral artery.

Psoas minor muscle video:    • Psoas Minor Anatomy: Origin, Insertion and...  
Iliacus muscle video:    • Iliacus Anatomy: Origin, Insertion & Action  

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Chapters:
0:00 - Intro
0:14 - Location & overview of the psoas major muscle
1:55 - Origin of the psoas major muscle
2:39 - Insertion of the psoas major muscle
3:17 - Actions of psoas major muscle
7:07 - Outro

⭐ Want to learn more about the psoas major? Then check out the full article on the Bodyworks Prime website: https://bodyworksprime.com/psoas-major/

⭐If you would like some help memorising the psoas major muscle's information then be sure to check out the free psoas major flashcards: https://bodyworksprime.com/psoas-majo...

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