Lower Extremity Muscle Innervations Flashcards

1
Q

Pectineus

A

Femoral Nerve (L2, L3, L4) with occasional help from the Obturator Nerve

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2
Q

Adductor Brevis

A

Obturator Nerve (L2, L3, L4)

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3
Q

Adductor Longus

A

Obturator Nerve (L2, L3, L4)

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4
Q

Adductor Magnus

A

Obturator Nerve, vertical hamstring portion innervated by tibial nerve (L2, L3, L4)

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5
Q

Gracilis

A

Obturator Nerve (L2, L3, L4)

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6
Q

Sartorius

A

Femoral Nerve (L2, L3, L4)

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7
Q

Tensor Fascia Lata

A

Superior Gluteal Nerve (L4, L5, S1)

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8
Q

Rectus Femoris

A

Muscular Branches of Femoral Nerve (L2, L3, L4)

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9
Q

Vastus Intermedius

A

Muscular Brances of Femoral Nerve (L2, L3, L4)

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10
Q

Vastus Medialis

A

Muscular Brances of Femoral Nerve (L2, L3, L4)

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11
Q

Vastus Lateralis

A

Muscular Brances of Femoral Nerve (L2, L3, L4)

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12
Q

Hamstrings (Biceps Femoris) Long Head

A

Tibial Nerve (L5, S1, S2)

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13
Q

Hamstrings (Bicepts Femoris) Short Head

A

Common Peroneal Nerve (L5, S1, S2)

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14
Q

Hamstrings (Semimembranosus)

A

Tibial Nerve (L5, S1, S2)

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15
Q

Hamstrings (Semitendonosus)

A

Tibial Nerve (L5, S1, S2)

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16
Q

Tibialis Anterior

A

Deep Peroneal Nerve (L4, L5, S1)

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17
Q

Extensor Digitorum Longus

A

Deep Peroneal Nerve (L4, L5, S1)

18
Q

Extensor Hallucis Longus

A

Deep Peroneal Nerve (L4, L5, S1)

19
Q

Gastrocnemius

A

Tibial Nerve (S1, S2)

20
Q

Soleus

A

Tibial Nerve (S1, S2)

21
Q

Plantaris

A

Tibial Nerve (S1, S2)

22
Q

Tibialis Posterior

A

Tibial Nerve (L4, L5)

23
Q

Flexor Digitorum Longus

A

Tibial Nerve (S2, S3)

24
Q

Flexor Hallucis Longus

A

Tibial Nerve (S2, S3)

25
Q

Popliteus

A

Tibial Nerve (L4, L5, S1)

26
Q

Peroneus Tertius

A

Deep Peroneal Nerve (L5, S1)

27
Q

Peroneus Brevis

A

Superficial Peroneal Nerve (L5, S1, S2)

28
Q

Peroneus Longus

A

Superficial Peroneal Nerve (L5, S1, S2), additional help from common or deep peroneal nerve

29
Q

Extensor Digitorum Brevis

A

Deep Fibular Nerve (L5, S1)

30
Q

Extensor Hallucis Brevis

A

Deep Fibular Nerve (L5, S1)

31
Q

Abductor Hallucis

A

Medial Plantar Nerve (S2, S3)

32
Q

Flexor Digitorum Brevis

A

Medial Plantar Nerve (S2, S3)

33
Q

Abductor Digiti Minimi

A

Lateral Plantar Nerve (S2, S3)

34
Q

Quadratus Plantae

A

Lateral Plantar Nerve (S2, S3)

35
Q

Lumbricals

A

Medial: Medial Plantar Nerve (S2, S3)
Lateral: Lateral Plantar Nerve (S2, S3)

36
Q

Flexor Hallucis Brevis

A

Medial Plantar Nerve (S2, S3)

37
Q

Adductor Hallucis

A

Deep branch of Lateral Plantar Nerve (S2, S3)

38
Q

Flexor Digiti Minimi Brevis

A

Superficial branch of Lateral Plantar Nerve (S2, S3)

39
Q

Plantar Interossei

A

Lateral Plantar Nerve (S2, S3)

40
Q

Dorsal Interossei

A

Lateral Plantar Nerve (S2, S3)