Common peroneal nerve, Summaries of Anatomy

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Common peroneal nerve

By Mohammad Altamash Roll no. ASMC Pilibhit

Common peroneal nerve :-smaller terminal branch of sciatic nerve Root value :- L4,5,S1,2 of dorsal division of ventral primary rami. Course :- •extends from superior angle of popliteal fossa to lateral angle.

• Runs along medial border of bicep femoris.
• Runs downward and forward and peirce the peroneus longus muscle and
• divides into superficial and deep peroneal nerve.

Branches :-gives two types of branches i) Cutaneous branches ii) Articular branches

i) Cutaneous branches :-

• Lateral Cutaneous nerve of the calf:- supply skin of upper ⅔of side of the leg
• sural communicating nerve:- runs posteroleterally to calf and joins sural nerve ii) Articular branches :-
• superior lateral genicular nerve:-supplies knee joint
• inferior lateral genicular nerve:-supplies knee joint
• Recurrent genicular nerve:-supplies tibialis anterior and knee joint

Muscle supplied by Deep peroneal nerve:-tibialis ant,extensor hallucis longus, extensor digitorum longus,ext digitorum brevis,ext hallucis brevis Superficial:- peroneus longus and brevis

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