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Lower limbs > Lateral and anterior muscles of lower leg > Flashcards

Lateral and anterior muscles of lower leg Flashcards

1
Q

Origin of tibialis anterior?

A

Lateral proximal tibia under the lateral condyle, interosseous membrane

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2
Q

Insertion of tibialis anterior?

A

Medial surface of the medial cuneiform, base of 1st metatarsal

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3
Q

Action of tibialis anterior?

A

Dorsiflexion at talocrural joint, inversion at subtalar joint

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4
Q

Innervation of tibialis anterior?

A

Deep fibular nerve (L4-L5)

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5
Q

Origin of extensor hallucis longus?

A

Middle third of medial surface of fibula, interosseous membrane

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6
Q

Insertion of extensor hallucis longus?

A

Base of distal first phalanx of big toe

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7
Q

Action of extensor hallucis longus?

A

Toe extension of metatarsophalangeal joint 1, dorsiflexion of talocrural joint

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8
Q

Innervation of extensor hallucis longus?

A

Deep fibular nerve (L5-S1)

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9
Q

Origin of extensor digitorum longus?

A

Head and anterior margin of fibula, lateral condyle of tibia, interosseous membrane

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10
Q

Insertion of extensor digitorum longus?

A

Distal and middle phalanges of digits 2-5

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11
Q

Action of extensor digitorum longus?

A

Dorsiflexion at talocrural joint, eversion at subtalar joint, toe extension at metatarsophalangeal and interphalangeal joints 2-5

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12
Q

Innervation of extensor digitorum longus?

A

Deep fibular nerve (L5-S1)

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13
Q

Origin of fibularis longus?

A

Head of fibula, proximal 2/3 of lateral shaft of fibula

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14
Q

Insertion of fibularis longus?

A

Lower surface of the medial cuneiform bone, inferior base of the first metatarsal

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15
Q

Action of fibularis longus?

A

Plantarflexion at talocrural joint, eversion at subtalar joint

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16
Q

Innervation of fibularis longus?

A

Superficial fibular nerve (L5-S1)

17
Q

Origin of fibularis brevis?

A

Lateral surface of distal fibula and anterior intermuscular septum

18
Q

Insertion of fibularis brevis?

A

Tuberosity of base of 5th metatarsal

19
Q

Action of fibularis brevis?

A

Plantarflexion of talocrural joint, eversion at subtalar joint

20
Q

Innervation of fibularis brevis?

A

Superficial fibular nerve (L5-S1)

21
Q

Origin of fibularis tertius?

A

Anterior surface of distal shaft of fibula, interosseous membrane, anterior intermuscular septum

22
Q

Insertion of fibularis tertius?

A

Dorsal surface of base of metatarsal bone 5

23
Q

Action of fibularis tertius?

A

Eversion at subtalar joint, dorsiflexion of talocrural joint

24
Q

Innervation of fibularis tertius?

A

Deep fibular nerve (L5-S1)

Lower limbs (7 decks)

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