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Anatomy > muscular compartments of the leg > Flashcards

muscular compartments of the leg Flashcards

1
Q

ankle joint movements

A

plantarflexion/dorsiflexion; inversion/exversion

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2
Q

gastrocnemius

A

(posterior compartment of leg) powerful superficial, 2 headed muscle in the back part of the lower leg (2 big bellies)

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3
Q

proximal attachment of gastronemius

A

superior to posterior side of femoral condyles

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4
Q

distal attachment of gastronemius

A

calcaneous (the heel)

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5
Q

action of gastronemius

A

plantarflexes foot; flexes knee

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6
Q

innervation of gastronemius

A

tibial n

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7
Q

blood supply of gastronemius

A

posterior tibial a

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8
Q

soleus

A

(posterior compartment of leg) deep to gastronemius

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9
Q

proximal attachment of soleus

A

head of fibula; medial border of tibia

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10
Q

distal attachment of soleus

A

calcaneous (the heel)

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11
Q

action of soleus

A

plantarflexes foot

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12
Q

innervation of soleus

A

tibial n

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13
Q

blood supply of soleus

A

posterior tibial a

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14
Q

deep posterior compartment of leg

A

deep muscles

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15
Q

proximal attachment of deep muscles

A

posterior surface of tibia and fibula

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16
Q

distal attachment of deep muscles

A

inferior side of digits

17
Q

action of deep muscles

A

flexes toes

18
Q

innervation of deep muscles

A

tibial n

19
Q

blood supply of deep muscles

A

posterior tibial a

20
Q

proximal attachment of anterior compartment of leg

A

anterior surface of tibia and fibula

21
Q

distal attachment of anterior compartment of leg

A

superior surface of ankle and foot

22
Q

action of anterior compartment of leg

A

dorsiflexion of foot

23
Q

innervation of anterior compartment of leg

A

deep fibular n

24
Q

blood supply of anterior compartment of leg

A

anterior tibial a

25
Q

proximal attachment of lateral compartment of leg

A

fibula

26
Q

distal attachment of lateral compartment of leg

A

lateral side of ankle

27
Q

action of lateral compartment of leg

A

eversion of the foot

28
Q

innervation of lateral compartment of leg

A

superficial fibular n

29
Q

blood supply of lateral compartment of leg

A

fibular a

30
Q

CLINICAL: “steppage gait”

A

common fibular nerve passes superficially around fibular neck and can be severed by minor injuries; affects the lateral and anterior compartments of the leg, toes can’t be dorsiflexion during knee flexion, exaggerated during the swing phase

Anatomy (16 decks)

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