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Friday 6/26 > Posterior Leg and Ankle > Flashcards

Posterior Leg and Ankle Flashcards

1
Q

gastrocnemius insertion

A

calcaneal tuberosity via the calcaneal tendon

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2
Q

gastrocnemius innervation

A

tibial nerve s1-s2

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3
Q

gastrocnemius action

A

talocrural joint: plantar flexion, knee joint: flexion

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4
Q

soleus origin

A

fibular head, neck, posterior surface, tibia soleal line via a tendinous arch

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5
Q

soleus insertion

A

calcaneal tuberosity via calcaneal tendon

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6
Q

soleus innervation

A

tibial nerve s1-s2

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7
Q

soleus action

A

talocrural joint: plantar flexion

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8
Q

plantaris origin

A

femur (lateral epicondyle, proximal to lateral head of gastrocnemius)

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9
Q

plantaris insertion

A

calcaneal tuberosity

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10
Q

plantaris innervation

A

tibial nerve s1-s2

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11
Q

plantaris action

A

negligible; may prevent compression of posterior leg musculature during knee flexion

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12
Q

flexor digitorum longus origin

A

tibia, middle third of posterior surface

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13
Q

flexor digitorum longus insertion

A

2-5 distal phalanges bases

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14
Q

flexor digitorum longus innervation

A

tibial nerve l5-s2

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15
Q

flexor digitorum longus action

A

talocrural joint: plantar flexion, subtalar joint: inversion, MTP and IP joints of 2-5 toes: plantar flexion

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16
Q

flexor hallucis longus origin

A

fibula, distal 2/3 posterior surface, adjacent interosseous membrane

17
Q

flexor hallucis longus insertion

A

1st distal phalanx, base

18
Q

flexor hallucis longus innervation

A

tibial nerve l5-s2

19
Q

flexor hallucis longus action

A

talocrural joint: plantar flexion, subtalar joint: inversion, MTP and IP joints of 1st toe: plantar flexion, supports medial longitudinal arch

20
Q

tibialis posterior origin

A

interosseous membrane, adjacent borders of tibia and fibula

21
Q

tibialis posterior insertion

A

navicular tuberosity, medial/intermediate/lateral cuneiforms, base of 2-4 metatarsals

22
Q

tibialis posterior innervation

A

tibial nerve l4-l5

23
Q

tibialis posterior action

A

talocrural joint: plantar flexion, subtalar joint: inversion, supports longitudinal and transverse arches

24
Q

gastrocnemius origin?

A

medial and lateral epicondyles of femur

Friday 6/26 (1 decks)

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