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Functional Anatomy > Anterior and lateral leg > Flashcards

Anterior and lateral leg Flashcards

1
Q

What is the proximal attachment of the tibialis anterior?

A

Tibia and interosseous membrane

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2
Q

What is the distal attachment of the tibialis anterior?

A

Medial cuneiform and base of 1st metatarsal

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3
Q

What nerve innervates the tibialis anterior, extensor digitorum longus, extensor hallucis longus, and fibularis tertius?

A

Deep fibular nerve (L4, L5)

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4
Q

What is the main action of the tibialis anterior?

A

Dorsiflexes ankle and inverts foot

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5
Q

What is the proximal attachment of the extensor digitorum longus?

A
  • lateral tibia
  • medial surface of fibula
  • interosseous membrane
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6
Q

What is the distal attachment of the extensor digitorum longus?

A

Middle and distal phalanges of lateral four digits

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7
Q

What is the main action of the extensor digitorum longus?

A

Extends lateral four digits and dorsiflexes ankle

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8
Q

What is the proximal attachment of the extensor hallucis longus?

A

Fibula and interosseous membrane

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9
Q

What is the distal attachment of the extensor hallucis longus?

A

Base of distal phalanx of great toe (hallux)

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10
Q

What is the main action of the extensor hallucis longus?

A

Extends great toe and dosiflexes ankle

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11
Q

What is the proximal attachment of the fibularis tertius

A

Fibula and interosseous membrane

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12
Q

What is the distal attachment of the fibularis tertius?

A

Base of 5th metatarsal

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13
Q

What is the main action of the fibularis tertius

A

Dorsiflexes ankle and aids in eversion of foot

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14
Q

What is the proximal attachment of the fibularis longus?

A

Head of fibula

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15
Q

What is the distal attachment of the fibularis longus

A

Base of 1st metatarsal and medial cuneiform

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16
Q

What nerve innervates the fibularis longus and brevis?

A

Superficial fibular nerve (L5, S1, S2)

17
Q

What is the main action of the fibularis longus and brevis?

A

Everts foot and weakly plantarflexes ankle

18
Q

What is the proximal attachment of the fibularis brevis?

A

Fibula

19
Q

What is the distal attachment of the fibularis brevis?

A

5th metatarsal

Functional Anatomy (9 decks)

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