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Questions and Answers
What is the primary action of the muscle innervated by the posterior division of the obturator nerve?
What is the primary action of the muscle innervated by the posterior division of the obturator nerve?
- Lateral rotation of the thigh (correct)
- Adduction of the thigh
- Flexion of the knee
- Extension of the hip
Which nerve supplies the muscle responsible for lateral rotation of the thigh at the hip joint?
Which nerve supplies the muscle responsible for lateral rotation of the thigh at the hip joint?
- Obturator nerve (correct)
- Sciatic nerve
- Tibial nerve
- Femoral nerve
Which spinal levels contribute to the posterior division of the obturator nerve?
Which spinal levels contribute to the posterior division of the obturator nerve?
- L4, L5
- L2, L3
- L1, L2
- L3, L4 (correct)
Which nerve innervates the muscle responsible for medial rotation of the thigh at the hip joint?
Which nerve innervates the muscle responsible for medial rotation of the thigh at the hip joint?
If a muscle is supplied by the femoral nerve, what is its likely action at the hip joint?
If a muscle is supplied by the femoral nerve, what is its likely action at the hip joint?
What is the primary muscle that forms the iliopsoas muscle?
What is the primary muscle that forms the iliopsoas muscle?
Where does the psoas major muscle originate from?
Where does the psoas major muscle originate from?
Which nerve supplies the psoas major muscle?
Which nerve supplies the psoas major muscle?
Where does the iliopsoas muscle insert?
Where does the iliopsoas muscle insert?
Which two muscles combine to form the iliopsoas muscle?
Which two muscles combine to form the iliopsoas muscle?
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