Lower Extremity - Innervation Flashcards
What innervates the tensor fasciae latae?
Superior gluteal nerve (L4 - L5)
What innervates the sartorius?
Femoral nerve (L2 - L3)
What innervates the rectus femoris?
Femoral nerve (L2 - L4)
What innervates the vastus lateralis?
Femoral nerve (L2 - L4)
What innervates the vastus intermedius?
Femoral nerve (L2 - L4)
What innervates the vastus medialis?
Femoral nerve (L2 - L4)
What innervates the pectineus?
Femoral nerve (L2 - L3); part of obturator nerve
What innervates the adductor longus?
Obturator nerve (L2 - L4)
What innervates the adductor brevis?
Obturator nerve (L2 - L4)
What innervates the obturator externus?
Obturator nerve (L2 - L3)
What innervates the adductor magnus?
Hamstring portion: Sciatic nerve (L4)
Adductor portion: Obturator nerve (L2 - L4)
What innervates the gracilis?
Obturator nerve (L2 - L3)
What innervates the gluteus maximus?
Inferior gluteal nerve (L5 - S2)
What innervates the gluteus medius?
Superior gluteal nerve (L5 - S1)
What innervates the gluteus minimus?
Superior gluteal nerve (L5 - S1)
What innervates the piriformis?
Ventral rami of S1 - S2
What innervates the superior gemellus?
Nerve to the obturator internus (L5 - S1)
What innervates the inferior gemellus?
Nerve to the quadratus femoris (L5 - S1)
What innervates the obturator internus?
Nerve to the obturator internus (L5 - S1)
What innervates the quadratus femoris?
Nerve to the quadratus femoris (L5 - S1)
What innervates the semitendinosus?
Tibial division of sciatic nerve (L5 - S2)
What innervates the semimembranosus?
Tibial division of sciatic nerve (L5 - S2)
What innervates the biceps femoris (long head)?
Tibial division of sciatic nerve (L5 - S2)
What innervates the biceps femoris (short head)?
Common peroneal division of sciatic nerve (L5 - S2)
What innervates the peroneus longus?
Superficial peroneal nerve (L5 - S2)
What innervates the peroneus brevis?
Superficial peroneal nerve (L5 - S2)
What innervates the tibialis anterior?
Deep peroneal nerve (L4 - L5)
What innervates the extensor hallucis longus?
Deep peroneal nerve (L5 - S1)
What innervates the extensor digitorum longus?
Deep peroneal nerve (L5 - S1)
What innervates the gastrocnemius?
Tibial nerve (S1 - S2)
What innervates the soleus?
Tibial nerve (S1 - S2)
What innervates the plantaris?
Tibial nerve (S1 - S2)
What innervates the popliteus?
Tibial nerve (L4 - S1)
What innervates the flexor hallucis longus?
Tibial nerve (S2 - S3)
What innervates the flexor digitorum longus?
Tibial nerve (S2 - S3)
What innervates the tibialis posterior?
Tibial nerve (S4 - S5)
What innervates the abductor hallucis?
Medial plantar nerve (S2 - S3)
What innervates the flexor digitorum brevis?
Medial plantar nerve (S2 - S3)
What innervates the abductor digiti minimi?
Lateral plantar nerve (S2 - S3)
What innervates the flexor hallucis brevis?
Medial plantar nerve (S2 - S3)
What innervates the quadratus plantae?
Lateral plantar nerve (S2 - S3)
What innervates the flexor digiti minimi brevis?
Superficial branch of lateral plantar nerve (S2 - S3)
What innervates the lumbrical muscles?
First lumbrical: Medial plantar nerve (S2 - S3)
Second to fourth lumbricals: Lateral plantar nerve (S2 - S3)
What innervates the adductor hallucis?
Deep branch of the lateral plantar nerve (S2 - S3)
What innervates the dorsal interosseus muscles?
Lateral plantar nerve (S2 - S3)
What innervates the plantar interosseus muscles?
Lateral plantar nerve (S2 - S3)