Underben - extensorloge Flashcards

1
Q

Hvilke muskler indgår i underbenets extensorloge?

A

M. tibialis anterior
M. extensor digitorum longus
M. peroneus tertius
M. extensor hallucis longus

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2
Q

Hvor udspringer m. tibialis anterior?

A

Condylus lateralis tibiae
Facies lateralis tibiae
Membrana interossea cruis - mediale halvdel
Fascia cruris

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3
Q

Hvor tilhæfter m. tibialis anterior?

A

Os cuneiforme mediale - plantart og medialt

Basis ossis metatarsalis 1 - plantart

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4
Q

Hvilken funktion har m. tibialis anterior?

A

Ankelleddet:
Dorsalflexion - den kraftigste dorsalfleksor. (Kraftigere end alle de resterende tilsammen)

Art. subtalaris:
Inversion (supination)
Eversion (pronation) - når pronationen er indledt

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5
Q

Hvilken innervation har m. tibialis anterior?

A

N. peroneus profundus (L4 - S1)

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6
Q

Hvor udspringer m. extensor digitorum longus?

A

Condylus lateralis tibiae
Facies medialis fibulae - proximalt
Membrana interossea - laterale halvdel, proximalt
Fascia cruris - proximalt

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7
Q

Hvor tilhæfter m. extensor digitorum longus?

A

Ekstensoraponeurosen på 2. til 5. tå

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8
Q

Hvilken funktion har m. extensor digitorum longus?

A

Ankelleddet:
Dorsalflexion

Art. subtalaris:
Eversion (pronation)

      1. tå:
        Extension i alle tåled
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9
Q

Hvilken innervation har m. extensor digitorum longus?

A

N. peroneus profundus (L5 - S1)

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10
Q

Hvor udspringer m. peroneus tertius?

A

Facies medialis fibulae - distalt

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11
Q

Hvor tilhæfter m. peroneus tertius?

A

Basis ossis metatarsalis 5 - dorsalt

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12
Q

Hvilken funktion har m. peroneus tertius?

A

Ankelledet:
Dorsalflexion

Art. subtalaris:
Eversion (pronation)

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13
Q

Hvilken innervation har m. peroneus tertius?

A

N. peroneus profundus (L4 - S1)

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14
Q

Hvor udspringer m. extensor hallucis longus?

A

Facies medialis fibulae

Membrana interossea cruris

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15
Q

Hvor tilhæfter m. extensor hallucis longus?

A

Basis storetåens yderstykke

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16
Q

Hvilken funktion har m. extensor hallucis longus?

A

Ankelledet:
Dorsalflexion
(Extension)

Art. subtalaris:
Eversion (pronation) - svag virkning

Storetåen:
Extension i alle storetåens led

17
Q

Hvilken innervation har m. extensor hallucis longus?

A

N. peroneus profundus (L5 - S1)