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Lower Limb Muscles > Thigh/Leg > Flashcards

Thigh/Leg Flashcards

1
Q

Iliopsoas (Iliacus and psoas major)

A

Femoral Nerve (L2, L3)

Thigh Flexion

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2
Q

Pectineus

A

Femoral Nerve L2 L3

Thigh Flexion

Thigh adduction

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3
Q

Sartorius

A

Femoral Nerve L2 L3

Thigh flexion, external rotation, abduction

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4
Q

Rectus Femoris

A

Femoral Nerve L2, L3, L4

Thigh Flexion, Knee extension

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5
Q

Vastus Medialis

A

Femoral Nerve L2 L3 L4

Leg extension at knee

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6
Q

Vastus Intermedius

A

Femoral Nerve L2, L3, L4

Leg extension at knee

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7
Q

Vastus Lateralis

A

Femoral Nerve L2, L3, L4

Leg extension at Knee

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8
Q

Articularis Genu

A

Femoral Nerve L2, L3, L4

Aids in knee extension by elevating synovial capsule

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9
Q

Pectineus

A

Femoral Nerve L2, L3

Thigh adduction
Thigh flexion

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10
Q

Gracilis

A

Obturator Nerve (anterior branch) L2, L3

Thigh adduction
Thigh flexion

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11
Q

Adductor Longus

A

Obturator Nerve (anterior branch) L2, L3, L4

Thigh adduction
Thigh flexion

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12
Q

Adductor Brevis

A

Obturator Nerve (anterior branch) L2, L3, L4

Thigh adduction
Thigh flexion

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13
Q

Adductor Magnus (2 heads)

A

Medial Head: Obturator Nerve (posterior branch) L2, L3, L4

  • thigh adduction
  • thigh flexion

Lateral Head: Tibial division of Sciatic L4, L5, S1, S2

  • thigh adduction
  • thigh extension
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14
Q

Obturator Externus

A

Obturator Nerve (posterior branch) L3, L4

Thigh external rotation

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15
Q

Biceps Femoris (2 heads)

A

Long Head: Tibial division of Sciatic L5, S1, S2
-Leg flexion
-leg external rotation
-thigh extension
Short Head: Common Fibular division of sciatic L5, S1, S2
-leg flexion
-leg external rotation

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16
Q

Semimembranosus

A

Tibial division of sciatic L5, S1, S2

Leg flexion
Leg internal rotation
Thigh extension

17
Q

Semitendinosus

A

Tibial division of sciatic L5, S1, S2

Leg Flexion
Leg internal rotation
Thigh extension

18
Q

Plantaris

A

Tibial Nerve S1 S2

Plantarflexion

19
Q

Gastrocnemius

A

Tibial Nerve S1, S2

Plantarflexion

20
Q

Soleus

A

Tibial Nerve S1, S2

Plantarflexion

21
Q

Popliteus

A

Tibial Nerve L4, L5, S1

Initiates knee flexion

22
Q

Tibialis Posterior

A

Tibial Nerve L4, L5

Inversion

Plantarflexion

23
Q

Flexor digitorum Longus

A

Tibial Nerve S2, S3

Toe flexion (2-5)

Plantarflexion

24
Q

Flexor Hallucis Longus

A

Tibial Nerve (S2, S3)

Big toe flexion

Plantarflexion

25
Q

Tibialis Anterior

A

Deep Fibular Nerve L4, L5

Dorsiflexion

26
Q

Extensor Digitorum Longus

A

Deep Fibular L5, S1

Toe Extension (2-5)
Dorsiflexion
27
Q

Fibularus Tertius

A

Deep Fibular L5, S1

Eversion
Dorsiflexion

28
Q

Extensor Hallucis Longus

A

Deep Fibular Nerve L5, S1

Big toe extension
Dorsiflexion

29
Q

Fibularis Longus

A

Superficial Fibular nerve L5, S1, S2

Eversion
Plantarflexion

30
Q

Fibularis Brevis

A

Superficial Fibular L5, S1, S2

Eversion
Plantarflexion

Lower Limb Muscles (3 decks)

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