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MSK > Leg > Flashcards

Leg Flashcards

1
Q

origin gastrocnemius

A

lateral: lateral aspect of lateral condyle of femur
medial: popliteal surface above medial condyle of femur

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2
Q

origin soleus

A

posterior aspect of head of fibula, proximal 1/4 surface of fibula, soleal line of tibia

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3
Q

origin plantaris

A

inferior end of lateral supracondylar line of femur and oblique popliteal ligament

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4
Q

origin popliteus

A

lateral aspect of lateral condyle, lateral meniscus

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5
Q

origin flexor digitorum longus

A

medial part of posterior tibia inferior to soleal line

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6
Q

origin tibialis posterior

A

posterior tibia below soleal line, interosseous membrane, proximal half of posterior fibula

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7
Q

origin flexor hallucis longus

A

distal 2/3 posterior fibula and interosseous membrane

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8
Q

insertion gastrocnemius, soleus, plantaris

A

calcaneal tendon

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9
Q

insertion insertion popliteus

A

posterior tibia superior to soleal line

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10
Q

insertion flexor digitorum longus

A

plantar bases of distal phalanges of lateral four digits

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11
Q

insertion tibialis posterior

A

tuberosity of navicular bone, all cuneiforms, cuboid, and bases of 2-4th metatarsals

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12
Q

insertion flexor hallucis longus

A

base of distal phalanx of great toe

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13
Q

action gastrocnemius

A

plantarflexes foot, assists in flexion of knee, raises heel during walking

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14
Q

action soleus

A

plantarflexion, stabilizes leg over foot

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15
Q

action plantaris

A

weakly assists gastrocnemius, proprioceptive function

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16
Q

action popliteus

A

weakly flexes knee and unlocks it by rotating femur on fixed tibia

17
Q

flexor digitorum longus action

A

flexes lateral four digits and plantarflexes, supports longitudinal arches of foot

18
Q

action tibialis posterior

A

plantarflexes and inverts foot

19
Q

action flexor hallucis longus

A

flexes all joints of great toe, weak plantarflexion

20
Q

inn. all of posterior leg

A

tibial n

21
Q

inn. fibularis longus and brevis

A

superficial fibular n

22
Q

origin fibularis longus

A

head and proximal 2/3 of lateral fibula

23
Q

insertion fibularis longus

A

plantar base of 1st metatarsal and medial cuneiform

24
Q

action fibularis longus and brevis

A

everts and weakly plantarflexes foot

25
Q

origin fibularis brevis

A

distal 2/3 lateral surface of fibula

26
Q

insertion fibularis brevis

A

dorsal surface of tuberosity on lateral side of 5th metatarsal

27
Q

origin fibularis tertius

A

distal third of anterior surface of fibula and interosseous membrane

28
Q

insertion fibularis tertius

A

dorsal of base of 5th metatarsal

29
Q

action of fibularis tertius

A

dorsi flexion and eversion of foot

30
Q

origin extensor digitorum longus

A

lateral condyle of tibia, proximal 3/4 of anterior surface of interosseous membrane and fibula

31
Q

insertion extensor digitorum longus

A

middle and distal phalanges of lateral 4 digits

32
Q

action extensor digitorum longus

A

extends lateral 4 digits and dorsi flexes foot

33
Q

origin extensor hallucis longus

A

middle part of anterior surface of fibula and interosseous membrane

34
Q

insertion extensor hallucis longus

A

dorsal aspect of base of distal phalanx of great toe

35
Q

action extensor hallucis longus

A

extends great toe, dorsiflexes foot

36
Q

origin tibialis anterior

A

lateral condyle, proximal half of tibia, interosseous membrane

37
Q

insertion tibialis anterior

A

medial plantar surfaces of medial cuneiform and base of 1st metatarsal

38
Q

action tibialis anterior

A

dorsi flexion and inversion of foot

39
Q

anterior leg inn.

A

deep fibular n.

MSK (11 decks)

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