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Anatomy Of The Lower Extremity > Muscles Of The Anterior And Lateral Compartments Of The Leg > Flashcards

Muscles Of The Anterior And Lateral Compartments Of The Leg Flashcards

0
Q

Insertion of tibialis anterior

A

Medial and inferior surfaces of medial cuneiform and base of 1st metatarsal

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1
Q

Origin of the tibialis anterior

A

Lateral condyle and superior half of lateral surface of tibia and interosseous membrane

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2
Q

Innervation of tibialis anterior

A

Deep fibular nerve (L4, L5)

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3
Q

Actions of the tibialis anterior

A

Dorsiflexes ankle
Inverts foot
Supports medial longitudinal arch of foot

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4
Q

Origin of extensor hallucis longus (EHL)

A

Middle part of anterior surface of fibula and interosseous membrane

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5
Q

Insertion of the extensor hallucis longus (EHL)

A

Dorsal aspect of base of distal phalanx of great toe (hallux)

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6
Q

Innervation of extensor hallucis longus (EHL)

A

Deep fibular nerve (L5, S1)

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7
Q

Action of the extensor hallucis longus (EHL)

A

Extends great toe

Dorsiflexes ankle

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8
Q

Origin of the extensor digitorum longus (EDL)

A

Lateral condyle of tibia and superior three fourths of anterior surface of interosseous membrane

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9
Q

Insertion of extensor digitorum longus (EDL)

A

Middle and distal phalanges of lateral four digits

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10
Q

Innervation of extensor digitorum longus (EDL)

A

Deep fibular nerve (L5, S1)

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11
Q

Actions of extensor digitorum longus (EDL)

A

Extends lateral four digits

Dorsiflexes ankle

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12
Q

Origin of the fibularis tertius

A

Inferior third of anterior surface of fibula and interosseous membrane

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13
Q

Insertion of fibularis tertius

A

Dorsum of base of 5th metatarsal

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14
Q

Innervation of fibularis tertius

A

Deep fibular nerve (L5, S1)

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15
Q

Actions of the fibularis tertius

A

Dorsiflexes ankle

Aids in eversion of foot

16
Q

Origin of fibularis longus (FL)

A

Head and superior two thirds of lateral surface of fibula

17
Q

Insertion of fibularis longus (FL)

A

Base of 1st metatarsal and medial cuneiform

18
Q

Innervation of fibularis longus (FL)

A

Superficial fibular nerve (L5, S1, S2)

19
Q

Actions of fibularis longus (FL)

A

Evert foot
Weakly plantarflex ankle
Supports transverse arch of foot

20
Q

Origin of fibularis brevis (FB)

A

Inferior two thirds of lateral surface of fibula

21
Q

Insertion of fibularis brevis (FB)

A

Dorsal surface of tuberosity of base of 5th metatarsal

22
Q

Innervation of fibularis brevis (FB)

A

Superficial fibular nerve (L5, S1, S2)l

23
Q

Action of the fibularis brevis

A

Evert foot

Weakly plantarflex ankle

Anatomy Of The Lower Extremity (7 decks)

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