Lower Extremity - Innervation Flashcards by Charles Herrera

Q

What innervates the tensor fasciae latae?

A

Superior gluteal nerve (L4 - L5)

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Q

What innervates the sartorius?

A

Femoral nerve (L2 - L3)

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Q

What innervates the rectus femoris?

A

Femoral nerve (L2 - L4)

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Q

What innervates the vastus lateralis?

A

Femoral nerve (L2 - L4)

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Q

What innervates the vastus intermedius?

A

Femoral nerve (L2 - L4)

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Q

What innervates the vastus medialis?

A

Femoral nerve (L2 - L4)

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Q

What innervates the pectineus?

A

Femoral nerve (L2 - L3); part of obturator nerve

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Q

What innervates the adductor longus?

A

Obturator nerve (L2 - L4)

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Q

What innervates the adductor brevis?

A

Obturator nerve (L2 - L4)

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Q

What innervates the obturator externus?

A

Obturator nerve (L2 - L3)

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Q

What innervates the adductor magnus?

A

Hamstring portion: Sciatic nerve (L4)

Adductor portion: Obturator nerve (L2 - L4)

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Q

What innervates the gracilis?

A

Obturator nerve (L2 - L3)

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Q

What innervates the gluteus maximus?

A

Inferior gluteal nerve (L5 - S2)

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Q

What innervates the gluteus medius?

A

Superior gluteal nerve (L5 - S1)

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Q

What innervates the gluteus minimus?

A

Superior gluteal nerve (L5 - S1)

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Q

What innervates the piriformis?

A

Ventral rami of S1 - S2

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Q

What innervates the superior gemellus?

A

Nerve to the obturator internus (L5 - S1)

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Q

What innervates the inferior gemellus?

A

Nerve to the quadratus femoris (L5 - S1)

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Q

What innervates the obturator internus?

A

Nerve to the obturator internus (L5 - S1)

Q

What innervates the quadratus femoris?

A

Nerve to the quadratus femoris (L5 - S1)

Q

What innervates the semitendinosus?

A

Tibial division of sciatic nerve (L5 - S2)

Q

What innervates the semimembranosus?

A

Tibial division of sciatic nerve (L5 - S2)

Q

What innervates the biceps femoris (long head)?

A

Tibial division of sciatic nerve (L5 - S2)

Q

What innervates the biceps femoris (short head)?

A

Common peroneal division of sciatic nerve (L5 - S2)

Q

What innervates the peroneus longus?

A

Superficial peroneal nerve (L5 - S2)

Q

What innervates the peroneus brevis?

A

Superficial peroneal nerve (L5 - S2)

Q

What innervates the tibialis anterior?

A

Deep peroneal nerve (L4 - L5)

Q

What innervates the extensor hallucis longus?

A

Deep peroneal nerve (L5 - S1)

Q

What innervates the extensor digitorum longus?

A

Deep peroneal nerve (L5 - S1)

Q

What innervates the gastrocnemius?

A

Tibial nerve (S1 - S2)

Q

What innervates the soleus?

A

Tibial nerve (S1 - S2)

Q

What innervates the plantaris?

A

Tibial nerve (S1 - S2)

Q

What innervates the popliteus?

A

Tibial nerve (L4 - S1)

Q

What innervates the flexor hallucis longus?

A

Tibial nerve (S2 - S3)

Q

What innervates the flexor digitorum longus?

A

Tibial nerve (S2 - S3)

Q

What innervates the tibialis posterior?

A

Tibial nerve (S4 - S5)

Q

What innervates the abductor hallucis?

A

Medial plantar nerve (S2 - S3)

Q

What innervates the flexor digitorum brevis?

A

Medial plantar nerve (S2 - S3)

Q

What innervates the abductor digiti minimi?

A

Lateral plantar nerve (S2 - S3)

Q

What innervates the flexor hallucis brevis?

A

Medial plantar nerve (S2 - S3)

Q

What innervates the quadratus plantae?

A

Lateral plantar nerve (S2 - S3)

Q

What innervates the flexor digiti minimi brevis?

A

Superficial branch of lateral plantar nerve (S2 - S3)

Q

What innervates the lumbrical muscles?

A

First lumbrical: Medial plantar nerve (S2 - S3)

Second to fourth lumbricals: Lateral plantar nerve (S2 - S3)

Q

What innervates the adductor hallucis?

A

Deep branch of the lateral plantar nerve (S2 - S3)

Q

What innervates the dorsal interosseus muscles?

A

Lateral plantar nerve (S2 - S3)

Q

What innervates the plantar interosseus muscles?

A

Lateral plantar nerve (S2 - S3)