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Gross Anatomy > test 4 anterior/lateral leg > Flashcards

test 4 anterior/lateral leg Flashcards

1
Q

Tibialis anterior (TA) origin

A

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

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2
Q

Tibialis anterior (TA) insertion

A

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

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3
Q

Tibialis anterior (TA) innervation

A

Deep fibular nerve (L4, L5)

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4
Q

Tibialis anterior (TA) action

A

Dorsiflexes ankle; inverts foot; supports medial longitudinal arch of foot

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5
Q

Extensor hallucis longus (EHL) origin

A

Middle part of anterior surface of fibula and interosseous membrane

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6
Q

Extensor hallucis longus (EHL) insertion

A

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

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7
Q

Extensor hallucis longus (EHL) innervation

A

Deep fibular nerve (L5, S1)

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8
Q

Extensor hallucis longus (EHL) action

A

Extends great toe; dorsiflexes ankle

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9
Q

Extensor digitorum longus (EDL) origin

A

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

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10
Q

Extensor digitorum longus (EDL) insertion

A

Middle and distal phalanges of lateral four digits

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11
Q

Extensor digitorum longus (EDL) innervation

A

Deep fibular nerve (L5, S1)

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12
Q

Extensor digitorum longus (EDL) action

A

Extends lateral four digits; dorsiflexes ankle

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13
Q

Fibularis tertius origin

A

Inferior third of anterior surface of fibula and interosseous membrane

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14
Q

Fibularis tertius insertion

A

Dorsum of base of 5th metatarsal

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15
Q

Fibularis tertius innervation

A

Deep fibular nerve (L5, S1)

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16
Q

Fibularis tertius action

A

Dorsiflexes ankle; aids in eversion of foot

17
Q

Fibularis longus (FL) origin

A

Head and superior two thirds of lateral surface of fibula

18
Q

Fibularis longus (FL) insertion

A

Base of 1st metatarsal and medial cuneiform

19
Q

Fibularis longus (FL) innervation

A

Superficial fibular nerve (L5, S1, S2

20
Q

Fibularis longus (FL) action

A

Evert foot; weakly plantarflex ankle. FL supports transverse arch of foot

21
Q

Fibularis brevis (FB) origin

A

Inferior two thirds of lateral surface of fibula

22
Q

Fibularis brevis (FB) insertion

A

Dorsal surface of tuberosity of base of 5th metatarsal

23
Q

Fibularis brevis (FB) innervation

A

Superficial fibular nerve (L5, S1, S2)

24
Q

Fibularis brevis (FB) axtion

A

Evert foot; weakly plantarflex ankle.

25
Q

anterior compartment muscles

A
  • tibialis anterioir
  • extensor hallucis longus
  • extensor digitorum longus
  • fibularis longus
26
Q

lateral compartment muscles

A
  • fibularis longus

- fibularis brevis

Gross Anatomy (20 decks)

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