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Anatomy > Lab 9 Muscles > Flashcards

Lab 9 Muscles Flashcards

1
Q

Long head of biceps femoris proximal attachment

A

ischial tuberosity

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2
Q

long head of biceps femoris distal attachment

A

head of fibula

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3
Q

Long head of biceps femoris innervation

A

tibial nerve

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4
Q

Long head of biceps femoris action

A

hip: adduction, extension
knee: flexion and external rotation

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5
Q

Gastrocnemius proximal attachment

A

medial head: medial epicondyle
lateral head: lateral epicondyle

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6
Q

Gastrocnemius distal attachment

A

calcaneal tuberosity

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7
Q

Gastrocnemius innervation

A

talocrural: plantar flexion
knee: flexion

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8
Q

Gastrocnemius action

A

talocrural: plantar flexion
knee: flexion

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9
Q

semimembranosis proximal attachment

A

ischial tuberosity

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10
Q

Semimembranosis distal attachment

A

medial condyle

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11
Q

semimembranosis innervation

A

tibial nerve

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12
Q

semimembranosis action

A

hip: adduction, extension
knee: flexion and internal rotation

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13
Q

plantaris proximal attachment

A

lateral epicondyle

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14
Q

plantaris distal attachment

A

calcaneal tuberosity

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15
Q

plantaris action

A

may prevent compression of the posterior leg during knee flexion

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16
Q

plantaris innervation

A

tibial nerve

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17
Q

tibialis anterior proximal attachment

A

upper 2/3 of lateral tibia

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18
Q

tibialis anterior distal attachment

A

cuneiform

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19
Q

tibialis anterior action

A

talocrural joint: dorsiflexion
subtalar joint: inversion (supination)

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20
Q

tibialis anterior innervation

A

deep fibular nerve

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21
Q

extensor hallucis longus proximal attachment

A

fibula

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22
Q

extensor hallucis longus distal attachment

A

dorsal aponeurosis of great toe

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23
Q

extensor hallucis longus action

A

talocrural joint: dorsiflexion
subtalar joint: eversion and inversion
extents MTP and IP of great toe

24
Q

extensor hallucis longus innervation

A

deep fibular nerve

25
Q

Extensor digitorum longus proximal attachment

A

lateral tibial condyle, head of fibula

26
Q

Extensor digitorum longus action

A

talocrural joint: dorsi flexion
subtalar joint: eversion (pronation)
extends MTP and IP joints

27
Q

Extensor digitorum longus innervation

A

deep fibular nerve

28
Q

fibularis tertius proximal attachment

A

anterior distal fibula

29
Q

fibularis tertius distal attachment

A

base of 5th met

30
Q

fibularis tertius action

A

talocrural: dorsiflexion
subtalar: eversion (pronation)

31
Q

fibularis tertius innervation

A

deep fibular

32
Q

extensor digitorum brevis proximal attachment

A

calcaneus

33
Q

extensor digitorum brevis distal attachment

A

dorsal aponeruosis of 2nd-4th toes

34
Q

extensor digitorum brevis action

A

extensino of the MTP and PIP joints 2-4

35
Q

extensor digitorum brevis innervation

A

deep fibular nerve

36
Q

extensor hallucis brevis proximal attachment

A

calcaneus

37
Q

extensor hallucis brevis distal attachment

A

dorsal aponerurosis of great toe

38
Q

extensor hallucis brevis action

A

extension of MTP of great toe

39
Q

extensor hallucis brevis innervation

A

deep fibular nerve

40
Q

triceps surae proximal muscles

A

soleus
gastrocnemius medial and lateral head

41
Q

triceps surae innervation

A

tibial nerve

42
Q

flexor hallucis longus proximal attachment

A

cuboid, lateral cuneiform

43
Q

flexor hallucis longus distal attachment

A

base of proximal phalanx

44
Q

flexor hallucis longus action

A

flexes MTP supports longitudinal arch

45
Q

flexor hallucis longus innervation

A

medial plantar nerve

46
Q

tibialis posterior proximal attachment

A

crural interosseous membrane

47
Q

tibialis posterior distal attachment

A

tuberosity of navicular

48
Q

tibialis posterior action

A

talocrural: plantar flexion
subtalar: inversion (supination)
supports arch

49
Q

tibialis posterior innervation

A

tibial nerve

50
Q

Flexor digitorum longus proximal attachment

A

posterior tibia

51
Q

Flexor digitorum longus distal attachment

A

base 2nd - 5th distal phalanges

52
Q

Flexor digitorum longus action

A

talocrural: plantar flexion
subtalar: inversion (supination)

53
Q

Flexor digitorum longus innervation

A

tibial nerve

54
Q

Flexor hallucis longus proximal attachment

A

posterior fibula

55
Q

Flexor hallucis longus distal attachment

A

base of distal phalanx of great toe

56
Q

Flexor hallucis longus action

A

talocrural: plantar flexion
subtalor: inversion (supination)
plantar flexion of big toe

57
Q

Flexor hallucis longus innervation

A

tibial nerve

Anatomy (7 decks)

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