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Anatomy > Lower Leg > Flashcards

Lower Leg Flashcards

1
Q

origin of tibialis anterior

A

lateral condyle of tibia
lateral surface of tibia
interosseous membrane

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2
Q

insertion of tibialis anterior

A

medial cuneiform

base of the 1st metatarsal

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3
Q

action of tibialis anterior

A

invert the foot

dorsiflex the ankle

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4
Q

innervation of tibialis anterior

A

deep peroneal nerve L4 - S1

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5
Q

origin of extensor hallucis longus

A

middle, anterior surface of fibula and interosseous membrane

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6
Q

insertion of extensor hallucis longus

A

distal phalanx of 1st toe

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7
Q

action of extensor hallucis longus

A

extend the first toe
dorsiflex the ankle
invert the foot

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8
Q

innervation of extensor hallucis longus

A

deep peroneal nerve L4 - S1

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9
Q

origin of extensor digitorum longus

A

lateral condyle of tibia
proximal anterior shaft of fibula
interosseous membrane

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10
Q

insertion of extensor digitorum longus

A

middle and distal phalanges of toes 2 - 5

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11
Q

action of extensor digitorum longus

A

extend toe 2 - 5
dorsiflex the ankle
evert the foot

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12
Q

innervation of extensor digitorum longus

A

peroneal nerve L4 - S1

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13
Q

origin of peroneus longus

A

head of fibula

proximal lateral fibula

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14
Q

insertion of peroneus longus

A

base of the 1st metatarsal

medial cuneiform

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15
Q

action of peroneus longus

A

evert the foot

assist to plantarflex the ankle

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16
Q

innervation of peroneus longus

A

superficial peronlea nerve L4 - S1

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17
Q

origin of peroneus brevis

A

distal lateral fibula

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18
Q

insertion of peroneus brevis

A

tuberosity of 5th metatarsal

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19
Q

action of peroneus brevis

A

evert the foot

assist to plantarflex the ankle

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20
Q

innervation of peroneus brevis

A

superficial peroneal nerve L4 - S1

21
Q

origin of gastrocnemius

A

condyles of the femur on the posterior surface

22
Q

insertion of gastrocnemius

A

calcaneus via calcaneal tendon

23
Q

action of gastrocnemius

A

flex the knee

pltnarflex the ankle

24
Q

innervation of gastrocnemius

A

tibial nerve S1 -2

25
Q

origin of soleus

A

soleal line

proximal, posterior surface of tibia and posterior aspect of head of fibula

26
Q

insertion of soleus

A

calcaneus via calcaneal tendon

27
Q

action of soleus

A

plantarflex the ankle

28
Q

innervation of soleus

A

tibial nerve L5 - S2

29
Q

origin of plantaris

A

lateral supracondylar line of femur

30
Q

insertion of plantaris

A

calcaneus via calcaneal tendon

31
Q

action of plantaris

A

weak plantarflexion of the ankle

weak flexion of the knee

32
Q

innervation of plantaris

A

tibial nerve L4 - S2

33
Q

origin of popliteus

A

lateral condyle of the femur

34
Q

insertion of popliteus

A

proximal, posterior aspect of tibia

35
Q

action of popliteus

A

medially rotate flexed knee

flex the knee

36
Q

innervation of popliteus

A

tibial nerve L4 - S1

37
Q

origin of flexor hallucis longus

A

middle half of posterior fibula

38
Q

insertion of flexor hallucis longus

A

distal phalanx of 1st toe

39
Q

action of flexor hallucis longus

A

flex the first toe
weak plantarflexion of the ankle
invert the foot

40
Q

innervation of flexor hallucis longus

A

tibial nerve L5 - S2

41
Q

origin of flexor digitorum longus

A

middle, posterior surface of tibia

42
Q

insertion of flexor digitorum longus

A

distal phalanges of toe 2 - 5

43
Q

action of flexor digitorum longus

A

flex toe 2 - 5
weak plantarflexion of ankle
invert the foot

44
Q

innervation of flexor digitorum longus

A

tibial nerve L5 - S2

45
Q

origin of tibialis posterior

A

proximal posterior shafts of tibia and fibula

interosseous membrane

46
Q

insertion of tibialis posterior

A

all 5 tarsal bones

bases of metatarsal 2 - 4

47
Q

action of tibialis posterior

A

invert the foot

plantarflex the ankle

48
Q

innervation of tibialis posterior

A

tibial nerve L4 - S1

Anatomy (11 decks)

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