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Gross Anatomy > Anterior Leg > Flashcards

Anterior Leg Flashcards

1
Q

tibialis anterior O

A

lateral condyle of the tibia
superior 2/3 of lat surface of tibia
interosseous membrane

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2
Q

tibialis anterior I

A

medial and inferior surfaces of medial cuneiform

base of 1st metatarsal

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3
Q

tibialis anterior innervation

A

deep fibular nerve L4/L5

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4
Q

tibialis anterior action

A

dorsiflex ankle
inverts foot
supports medial longitudinal arch of foot

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5
Q

extensor hallucis longus O

A

middle part of anterior surface of fibula

interosseous membrane

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6
Q

extensor hallucis longus I

A

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

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7
Q

extensor hallucis longus innervation

A

deep fibular nerve L5,S1

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8
Q

extensor hallucis longus action

A

extends great toe

dorsiflexes ankle

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9
Q

extensor digitorum longus O

A

lateral condyle of tibia
superior 2/3 of ant surface of fibula
interosseous membrane

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10
Q

extensor digitorum long I

A

middle and distal phalanges of lateral four digits

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11
Q

extensor digitorum longus innervation

A

deep fibular nerve L5,S1

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12
Q

extensor digitorum longus action

A

extends lateral four digits

dorsiflex ankle

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13
Q

fibularius tertius O

A

inferior third of anterior surface of fibula

interosseous membrane

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14
Q

fibularis tertius I

A

dorsum of base of 5th metatarsal

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15
Q

fibularis terirus innervation

A

deep fibular nerve L5,S1

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16
Q

fibularis teritus action

A

dorsiflex ankle

aids in inversion of foot

17
Q

extensor digitorm brevis O

A

calcaneous (dorsal surface)

18
Q

extensor digitorum brevis I

A

2nd - 4th toes (at dorsal aponeuroses and bases of the middle phalanges)

19
Q

extensor digitorum brevis innervation

A

deep fibular nerve L5,S1

20
Q

extensor digitorum brevis action

A

extension of the MTP and PIP joints of the 2nd to 4th toes

21
Q

extensor hallucis brevis O

A

calcaneous (dorsal surface)

22
Q

extensor hallucis brevis I

A

1st toe (at dorsal aponeurosis and proximal phalanx)

23
Q

extensor hallucis brevis innervation

A

deep fibular nerve L5,S1

24
Q

extensor hallucis brevis action

A

extension of the MTP joints of the 1st toe

Gross Anatomy (22 decks)

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