Innervation Flashcards
Gluteus Maximus
The inferior gluteal nerve L5, S1, S2.
Gluteus Medius
Inferior branch of the superior gluteal nerve L4, L5, S1.
Gluteus Minimus
Superior gluteal nerve L4, L5.
Piriformis
1st and 2nd sacral spinal nerves.
Iliopsoas
Psoas – branches of the lumbar plexus (L2-4)
Iliacus – femoral nerve (L2-3)
Tensor Fascia Latae
Superior gluteal nerve (L4, L5, S1)
Sartorius
Femoral nerve (L2-4).
Rectus Femoris
Femoral nerve (L2, 3, 4).
Vastus Lateralis
Femoral nerve (L2-4).
Vastus Medialis
Femoral nerve (L2-4).
Biceps Femoris
Long head – tibial portion of sciatic nerve (L5, S1, S2)
Short head – common peroneal portion of sciatic nerve (L5, S1, S2)
Semitendinosus
Tibial nerve (L5, S1, S2)
Semimembranosus
Tibial portion of the sciatic nerve (L5, S1 & S2).
Adductor Longus & Brevis
Both muscles are supplied by the obturator nerve (L2-4).
Adductor Magnus
Adductor portion: Obturator nerve (L2, 3 & 4)
Hamstring portion: Sciatic nerve (L4)