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Anatomy Exam III > Muscles of the leg > Flashcards

Muscles of the leg Flashcards

1
Q

Tibialis anterior- attachment

A

Lateral condyle & lateral surface of tibia

Medial cuneiform, base of 1st MT

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2
Q

Tibialis anterior- action

A

Dorsiflexes and inverts foot

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3
Q

Tibialis anterior- innervation

A

Deep fibular n. (L4-L5)

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4
Q

Extensor digitorum longus- attachment

A

Lateral condyle of tibia, medial surface of tibia

Extensor expansions to middle & distal phalanges of digits 2-5

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5
Q

Extensor digitorum longus- action

A

Extends digits 2-5 at IP & MTP joints

Dorsiflexes foot

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6
Q

Extensor digitorum longus- innervation

A

Deep fibular n. (L4-L5)

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7
Q

Extensor hallucis longus- attachment

A

Anterior surface of tibia

Distal phalanx of digit 1

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8
Q

Extensor hallucis longus- action

A

Extends digit 1 at IP & MTP joints

Dorsiflexes foot

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9
Q

Extensor hallucis longus- innervation

A

Deep fibular n. (L4-L5)

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10
Q

Fibularis tertius- attachment

A

Anterior surface of tibia

Base of 5th MT

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11
Q

Fibularis tertius- action

A

Dorsiflexes & everts foot

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12
Q

Fibularis tertius- innervation

A

Superficial fibular n. (L4-L5)

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13
Q

Fibularis longus- attachment

A

Lateral surface of tibia

Base of 1st MT, medial cuneiform

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14
Q

Fibularis longus- action

A

Everts & plantarflexes foot

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15
Q

Fibularis longus- innervation

A

Superficial fibular n. (L5-S2)

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16
Q

Fibularis brevis- attachment

A

Lateral surface of fibula

Tuberosity of 5th MT

17
Q

Fibularis brevis- action

A

Everts & plantarflexes foot

18
Q

Fibularis brevis- innervation

A

Superficial fibular n. (L5-S2)

19
Q

Gastrocnemius- attachment

A

Lateral head: lateral condyle of femur
Medial head: medial condyle of femur
Posterior surface of calcaneus via calcaneal tendon

20
Q

Gastrocnemius- action

A

Planterflexes foot

Flexes leg

21
Q

Gastrocnemius- innervation

A

Tibial n. (S1-S2)

22
Q

Soleus- attachment

A

Posterior surface of fibula, soleal line & medial surface of tibia
Posterior surface of calcaneus via calcaneal tendon

23
Q

Soleus- action

A

Plantarflexes foot

24
Q

Soleus- innervation

A

Tibial n. (S1-S2)

25
Q

Plantaris- attachment

A

Lateral supracondylar line of femur

Posterior surface of calcaneus via calcaneal tendon

26
Q

Plantaris- action

A

Planterflexes foot

27
Q

Plantaris- innervation

A

Tibial n. (S1-S2)

28
Q

Popliteus- attachment

A

Lateral condyle of femur, lateral meniscus

Superior to soleal line of tibia

29
Q

Popliteus- action

A

Flexes & medially rotates leg

30
Q

Popliteus- innervation

A

Tibial n. (L4-S1)

31
Q

Flexor hallucis longus- attachment

A

Posterior surface of fibula

Distal phalanx of digit 1

32
Q

Flexor hallucis longus- action

A

Flexes digit 1 at IP & MTP joints

Plantarflexes foot

33
Q

Flexor hallucis longus- innervation

A

Tibial n. (S2-S3)

Anatomy Exam III (5 decks)

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