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Anatomy > Lab 9 Muscles > Flashcards

Lab 9 Muscles Flashcards

(57 cards)

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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

Study These Flashcards
A

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

24
Q

extensor hallucis longus innervation

Study These Flashcards
A

deep fibular nerve

25
Extensor digitorum longus proximal attachment
lateral tibial condyle, head of fibula
26
Extensor digitorum longus action
talocrural joint: dorsi flexion subtalar joint: eversion (pronation) extends MTP and IP joints
27
Extensor digitorum longus innervation
deep fibular nerve
28
fibularis tertius proximal attachment
anterior distal fibula
29
fibularis tertius distal attachment
base of 5th met
30
fibularis tertius action
talocrural: dorsiflexion subtalar: eversion (pronation)
31
fibularis tertius innervation
deep fibular
32
extensor digitorum brevis proximal attachment
calcaneus
33
extensor digitorum brevis distal attachment
dorsal aponeruosis of 2nd-4th toes
34
extensor digitorum brevis action
extensino of the MTP and PIP joints 2-4
35
extensor digitorum brevis innervation
deep fibular nerve
36
extensor hallucis brevis proximal attachment
calcaneus
37
extensor hallucis brevis distal attachment
dorsal aponerurosis of great toe
38
extensor hallucis brevis action
extension of MTP of great toe
39
extensor hallucis brevis innervation
deep fibular nerve
40
triceps surae proximal muscles
soleus gastrocnemius medial and lateral head
41
triceps surae innervation
tibial nerve
42
flexor hallucis longus proximal attachment
cuboid, lateral cuneiform
43
flexor hallucis longus distal attachment
base of proximal phalanx
44
flexor hallucis longus action
flexes MTP supports longitudinal arch
45
flexor hallucis longus innervation
medial plantar nerve
46
tibialis posterior proximal attachment
crural interosseous membrane
47
tibialis posterior distal attachment
tuberosity of navicular
48
tibialis posterior action
talocrural: plantar flexion subtalar: inversion (supination) supports arch
49
tibialis posterior innervation
tibial nerve
50
Flexor digitorum longus proximal attachment
posterior tibia
51
Flexor digitorum longus distal attachment
base 2nd - 5th distal phalanges
52
Flexor digitorum longus action
talocrural: plantar flexion subtalar: inversion (supination)
53
Flexor digitorum longus innervation
tibial nerve
54
Flexor hallucis longus proximal attachment
posterior fibula
55
Flexor hallucis longus distal attachment
base of distal phalanx of great toe
56
Flexor hallucis longus action
talocrural: plantar flexion subtalor: inversion (supination) plantar flexion of big toe
57
Flexor hallucis longus innervation
tibial nerve

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