ANATOMY-POSTERIOR ABDOMINAL WALL-ILIOPSOAS


MUSCLE ANATOMY – ILIOPSOAS


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ILIOPSOAS


– Last revised by Assoc Prof Craig Hacking on 25 Aug 2021
– The iliopsoas muscle is found within the iliopsoas compartment and is an important muscle in locomotion and upright posture.

PSOAS MAJOR


– Last revised by Assoc Prof Craig Hacking on 25 Aug 2021
– The psoas major muscle (usually shortened to just the psoas muscle) is one of the muscles of the posterior abdominal wall and lies not in the retroperitoneum but posterior to it, in the iliopsoas compartment.

ILIACUS


– Last revised by Assoc Prof Craig Hacking on 25 Aug 2021
– The iliacus muscle is one of the muscles of the posterior abdominal wall and contributes to the iliopsoas muscle and tendon.

Summary

  • origin: superior 2/3s of the iliac fossa, anterior sacroiliac ligaments and anterior sacral ala
  • insertion: into the psoas major tendon to form iliopsoas tendon which inserts on the lesser trochanter of the femur
  • innervation: femoral nerve
  • action: stabilizer and flexor of the hip

YOUTUBE VIDEOS


  1. ABELSON – DC – PALPATION OF THE ILIOPSOAS COMPLEX .
  2. NOTED ANATOMIST – ILIOPSOAS .
  3. ANATOMY ZONE – MUSCLES OF THE POSTERIOR ABDOMINAL WALL .
  4. WEBSTER – MUSCLES OF THE POSTERIOR ABDOMINAL WALL .





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