Lower Limb Nerve Supply

psoas major

anterior rami of L2-L4

iliac

femoral nerve

quadratus lumborum

anterior branches T12 and L1-L4

lumbosacral plexus

major nerves

femoral and obturator nerve

L2-L4

lumboscaral trunk

L4 and L5 before attaching to the sciatic nerve

Femoral Triangle

fermoral nerve artery and vein

superior gluteal nerve

supplies medius, minimus and tensor fasciae later

inferior gluteal nerve

supplies gluteus maximus

sciatic nerve

supplies all muscles in the posterior compartment of the thigh; longest nerve in the body and breaks into the tibil and common fibular nerves

common fibular nerve

supplies biceps femoris

superficial fibular nerve

supplies fibular muscles

deep fibular nerve

supplies dorsiflexion of the anterior component of the leg and extensor muscle on the dorsal of the foot

tibial nerve

supplies plantar flexion muscles, semitendinosus and semimembranosus