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NEUROANATOMY<br />
Sciatic Nerve and Posterior Cutaneous Nerve of Thigh<br />
Posterior cutaneous<br />
nerve of thigh<br />
(S1, 2, 3)<br />
Inferior cluneal nerves<br />
Perineal branches<br />
Greater sciatic foramen<br />
Sciatic nerve (L4, 5, S1, 2, 3)<br />
Tibial division<br />
of sciatic nerve<br />
Common fibular (peroneal)<br />
division of sciatic nerve<br />
Long head (cut) of<br />
biceps femoris muscle<br />
Short head of<br />
biceps femoris muscle<br />
Cutaneous innervation<br />
Adductor magnus muscle<br />
(also partially supplied<br />
by obturator nerve)<br />
Semitendinosus muscle<br />
Semimembranosus muscle<br />
Long head (cut)<br />
of biceps femoris<br />
muscle<br />
Common fibular<br />
(peroneal) nerve<br />
Tibial nerve<br />
Articular branch<br />
Plantaris muscle<br />
Articular<br />
branch<br />
Lateral sural<br />
cutaneous nerve<br />
Posterior<br />
cutaneous nerve<br />
of thigh<br />
Medial sural<br />
cutaneous nerve<br />
Gastrocnemius muscle<br />
Sural nerve<br />
Soleus muscle<br />
Tibial nerve<br />
Medial<br />
calcaneal branches<br />
Medial and lateral<br />
plantar nerves<br />
Sural<br />
communicating<br />
branch<br />
Lateral calcaneal<br />
branches<br />
Lateral dorsal<br />
cutaneous nerve<br />
From sciatic<br />
nerve<br />
Common fibular<br />
(peroneal) nerve<br />
via lateral sural<br />
cutaneous nerve<br />
Medial sural<br />
cutaneous nerve<br />
Superficial fibular<br />
(peroneal) nerve<br />
Sural nerve<br />
Tibial nerve<br />
via medial<br />
calcaneal<br />
branches<br />
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