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Anatomy exam 1 > Leg and ankle > Flashcards

Leg and ankle Flashcards

1
Q

Gastrocnemius origin

A

Posterior femur, just proximal to medial and lateral condyles

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2
Q

Gastrocnemius insertion

A

Calcaneal tuberosity through the calcneal tendon (achillies)

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3
Q

Gastrocnemius action

A

Plantar flexion, flexion of knee if in open chain

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4
Q

Gastrocnemius innervation

A

tibial nerve

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5
Q

Gastrocnemius blood supply

A

Medial head- medial sural artery, Lateral head- lateral sural artery

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6
Q

Plantaris origin

A

Lateral femoral condyle

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7
Q

Plantaris insertion

A

Calcaneus antromedial to calcaneal tendon

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8
Q

Plantaris action

A

Weak plantar flexion, weak knee flexion of knee in open chain

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9
Q

Plantaris innervation

A

tibial nerve

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10
Q

Plantaris blood supply

A

Superficial- lateral sural artery, deep- superior lateral genicular artery

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11
Q

Soleus origin

A

Soleal line of tibia, posterior surface of upper 1/3 of tibial, proximal 1/3 of posterior fibula

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12
Q

Soleus insertion

A

Calcaneus through calcaneal tendon

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13
Q

Soleus action

A

Plantar flexion

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14
Q

Soleus innervation

A

Tibial nerve

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15
Q

Soleus blood supply

A

Popliteal artery, posterior tibial artery, peroneal artery

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16
Q

Flexor digitorum longus origin

A

Middle 1/3 posterior surface of tibia

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17
Q

Flexor digitorum longus insertion

A

Distal phalanges of lateral 4 toes (2-5)

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18
Q

Flexor digitorum longus action

A

Flexes distal phalanges of toes 2-5, weak plantar flexion and inversion of ankle

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19
Q

Flexor digitorum longus innervation

A

Tibial nerve

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20
Q

Flexor digitorum blood supply

A

Posterior tibial artery

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21
Q

Flexor hallucis longus origin

A

Middle 1/3 of posterior surface of fibula

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22
Q

Flexor hallucis longus insertion

A

Distal phalanx of 1st toe

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23
Q

Flexor hallucis longus action

A

flexes distal phalanx of 1st toe, weak plantar flexion

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24
Q

Flexor hallucis longus innervation

A

tibial nerve

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25
Q

Flexor hallucis longus blood supply

A

Posterior tibial artery

26
Q

Tibialis posterior origin

A

Proximal 2/3 posterior surface of tibia, proximal 2/3 posterior fibula, interosseus membrane

27
Q

Tibialis posterior insertion

A

Navicular, cuneiforms, cuboid, bases of metatarsals 2-5

28
Q

Tibialis posterior action

A

Inversion of ankle

29
Q

Tibialis posterior innervation

A

Tibial nerve

30
Q

Tibialis posterior blood supply

A

posterior tibial artery

31
Q

Peroneus longus origin

A

Proxinal 2/3 of lateral fibula

32
Q

Peroneus longus insertion

A

Base of 1st metatarsal on plantar surface, medial cuneiform

33
Q

Peroneus longus Action

A

Eversion og ankle, weak plantar flexion

34
Q

Peroneus longus innervation

A

Superficial peroneual nerve

35
Q

Peroneus longus blood supply

A

Peroneal artery

36
Q

Peroneus brevis Origin

A

Distal 2/3 lateral surface of fibula

37
Q

Peroneus brevis insertion

A

Dorsal surface of 5th metatarsal

38
Q

Peroneus brevis action

A

Eversion of ankle, weak plantar flexion

39
Q

Peroneus brevis innervation

A

Superficial peroneal nerve

40
Q

Peroneus brevis blood supply

A

Branches of tibial and peroneal arteries

41
Q

Tibialis anterior origin

A

Lateral condyle of tibia, proximal 2/3 lateral surface of tibia

42
Q

Tibialis anterior insertion

A

Medial cuneiform, base of 1st metatarsal

43
Q

Tibialis anterior action

A

Dorsiflexion (Best), and inversion of ankle

44
Q

Tibialis anterior innervation

A

Deep fibular nerve

44
Q

Tibialis anterior blood supply

A

Anterior tibial artery

45
Q

Extensor digitorum longus origin

A

Lateral tibial condyle

46
Q

Extensor digitorum longus insertion

A

Middle and distal phalanges of toes 2-5

47
Q

Extensor digitorum longus action

A

Extends digits 2-5, dorsiflexion, eversion

48
Q

Extensor digitorum longus innervation

A

Deep fibular nerve

49
Q

Extensor digitorum longus blood supply

A

Anterior tibial artery

50
Q

Extensor hallucis longus Origin

A

Middle 1/3 anterior fibula

51
Q

Extensor hallucis longus insertion

A

Distal phalanx of big toe

52
Q

Extensor hallucis longus action

A

Extend big toe, dorsiflexion, eversion

53
Q

Extensor hallucis longus innervation

A

Deep fibular nerve

54
Q

Extensor hallucis longus blood supply

A

anterior tibial artery

55
Q

Peroneus tertius origin

A

Fibula, common fibers from extensor digitorum longus

56
Q

Peroneus tertius insertion

A

Dorsal surface of base of the 5th metatarsal

57
Q

Peroneus tertius action

A

Dorsiflexion

58
Q

Peroneus tertius innervation

A

Deep fibular nerve

59
Q

Peroneus tertius blood supply

A

dorsalis pedis artery

Anatomy exam 1 (6 decks)

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