ANTERIOR DIVISION OF OBTURATOR NERVE

 

ORIGIN: Lumbar plexus, roots L2-4

COURSE/DISTRIBUTION: This is one of the two terminal branches of the obturator nerve. It arises from the obturator nerve in the pelvis and leaves the pelvis anterior to the obturator externus and descends in front of the adductor brevis. It forms subartorial plexus together with branches of femoral nerve and those of saphenous nerve and the medial cutaneous nerve of thigh. It then descends on the femoral artery to reach the skin of the medial aspect of knee and pierces the skin to supply it halfway down the medial side of the leg. It supplies the following muscles- adductor longus, pectineus and adductor brevis

 

BRANCHES:  Branches are

bulletMuscular branches to adductor longus
bulletMuscular branches to adductor brevis
bulletMuscular branches to the pectineus
bulletArticular branches to hip joint
bulletArticular branches to knee joint
bulletFilaments to popliteal artery

ROOT VALUE: L2-4.

 

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Creator: Oluwole Ogunranti


 

 

 

 

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