Ant/Post Thigh Innervation

Psoas Major innervation

ventral rami of lumbar spine (L1, L2, L3)

Iliacus innervation

femoral nerve (L2, L3)

Sartorius innervation

femoral nerve (L2, L3)

Rectus Femoris innervation

femoral nerve (L2, L3, L4)

Vastus Lateralis innervation

femoral nerve (L2, L3, L4)

Vastus Medialis innervation

femoral nerve (L2, L3, L4)

Vastus Intermedialis innervation

femoral nerve (L2, L3, L4)

Pectineus innervation

Femoral nerve (L2, L3); may receive a branch from obturator nerve

Tensor Fascia Latae innervation

superior gluteal nerve (L5, S1)

Adductor Longus innervation

obturator nerve (L2, L3, L4)

Adductor Brevis innervation

obturator nerve (L2, L3, L4)

Adductor Magnus innervation

Adductor part: obturator nerve (L2, L3, L4)

Hamstring part: tibial branch of sciatic nerve (L4)

Gracilis innervation

Obsturator nerve (L2, L3)

Obturator Externus innervation

obturator nerve (L3, L4)

Gluteus Maximus innervation

Inferior gluteal nerve (L5, S1, S2)

Gluteus Medius innervation

Superior gluteal nerve (L5, S1)

Gluteus Minimus innervation

Superior gluteal nerve (L5, S1)

Piriformis innervation

branch of ventral rami of S1, S2

Obturator Internus innervation

Nerve to obturator internus (L5, S1)

Superior Gemellus innervation

Nerve to obturator internus (L5, S1)

Inferior Gemellus innervation

Nerve to quadratus femoris (L5, S1)

Quadratus femoris innervation

Nerve to quadratus femoris (L5, S1)

Semitendinosus innervation

Tibial division of sciatic nerve (L5, S1, S2)

Semimembranosus innervation

Tibial division of sciatic nerve (L5, S1, S2)

Biceps Femoris innervation

Long head: Tibial division of sciatic nerve (L5, S1, S2)

Short head: common fibular division of sciatic nerve (L5, S1, S2)