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MSKI > Leg Muscle Chart > Flashcards

Leg Muscle Chart Flashcards

1
Q

Tibial Nerve Innervations

A 
Gastrocnemius
Plantaris
Soleus
Popliteus
Flexor Hallucis Longus
Flexor Digitorum Longus
Tibialis Posterior
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2
Q

Deep Fibular Nerve Innervations

A 
Tibialis Anterior
Extensor Digitorum Longus
Extensor Hallicus Longus
Fibularis Tertius
Extensor Digitorum Brevis
Extensor Hallucis Brevis
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3
Q

Superficial Fibular Nerve Innervations

A

Fibularis Longus

Fibularis Brevis

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4
Q

Gastrocnemius action

A

Plantarflexes ankle when knee is extended; raises heel during walking; flexes leg at knee joint

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5
Q

Plantaris action

A

Assists gastrocnemius in plantarflexing ankle

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6
Q

Soleus action

A

Plantarflexes ankle independent of position of knee; steadies leg on foot

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7
Q

Popliteus action

A

Weakly flexes knee and unlocks it by laterally rotating femur; medially rotates tibia of unplanted limb

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8
Q

Flexor Hallucis Longus action

A

Flexes great toe at all joints;

weakly plantarflexes ankle

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9
Q

Flexor Digitorum Longus action

A

Flexes lateral 4 digits, plantarflexes ankle

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10
Q

Tibialis Posterior action

A

Plantarflexes ankle and inverts foot

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11
Q

Tibialis Anterior action

A

Dorsiflexes ankle and inverts foot

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12
Q

Extensor Digitorum Longus action

A

Extends lateral 4 digits and dorsiflexes ankle

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13
Q

Extensor Hallucis Longus action

A

Extends great toe and dorsiflexes ankle

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14
Q

Fibularis Tertius action

A

Dorsiflexes ankle and aids in eversion of foot

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15
Q

Fibularis Longus action

A

Everts foot and weakly plantarflexes ankle

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16
Q

Fibularis Brevis action

A

Everts foot and weakly plantarflexes ankle

17
Q

Extensor Digitorum Brevis action

A

Aids the extensor digitorum longus in extending the 4 lateral toes

18
Q

Extensor Hallucis Brevis action

A

Extends Great Toe at metatarsophalangeal joint

MSKI (7 decks)

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