Underarmens dorsale extensorer (profunde) Flashcards

1
Q

Hvilke muskler indgår i underarmens dorsale extensorer (profunde)?

A
M. supinator
M. extensor pollicis longus
M. extensor pollicis brevis
M. abductor pollicis longus
M. Extensor indicis
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2
Q

Hvor udspringer M. supinator?

A

Humerus:
Epicondylus lateralis humeri

Ligamenter:
Lig. collaterale radiale.
Lig. annulare radii.

Ulna:
Crista m. supinatoris ulnae

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3
Q

Hvor tilhæfter M. supinator?

A

Corpus radii (proximalt for pronator teres)

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4
Q

Hvilken funktion har M. supinator?

A

Albueled / Underarm:

- supination i alle stillinger.

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5
Q

Hvilken innervation har M. supinator?

A

N. Radialis (C5-C8)

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6
Q

Hvor udspringer M. extensor pollicis longus?

A

Underarm:
- Membrana interossea (bagsiden)
-Tilstødende dele af ulna (Distalt for
udspringet af m. abductor pollicis longus)

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7
Q

Hvor tilhæfter M. extensor pollicis longus?

A

Basis phalanx distalis på 1. finger

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8
Q

Hvilken funktion har M. extensor pollicis longus?

A

Håndleddet:
- Radial devation (abduction)

Tommelens rodled og grundled:
- Ekstension

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9
Q

Hvilken innervation har M. extensor pollicis longus?

A

N. radialis (C5-C8)

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10
Q

Hvor udspringer M. extensor pollicis brevis?

A

Radius/membran:

  • Membrana interossea (Bagsiden)
  • Tilstødende dele af radius og ulna
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11
Q

Hvor tilhæfter M. extensor pollicis brevis?

A

Basis phalanx proximalis 1

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12
Q

Hvilken funktion har M. extensor pollicis brevis?

A

Håndleddet:
- Radial devation (abduction)

Tommelens rodled:
- Ekstension

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13
Q

Hvilken innervation har M. extensor pollicis brevis?

A

N. radialis (C5-C8)

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14
Q

Hvor udspringer M. abductor pollicis longus?

A
  • Tilstødende kanter af ulna og radius

- Membrana interossea(Bagsiden)

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15
Q

Hvor tilhæfter M. abductor pollicis longus?

A

Basis metacarpalis 1 (Radialt)

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16
Q

Hvilken funktion har M. abductor pollicis longus?

A
  • Radialdeviation
  • Abduktion og extension af 1. finger
  • Indleder oppositionsbevægelse
17
Q

Hvilken innervation har M. abductor pollicis longus?

A

N. radialis (C5-C8)

18
Q

Hvor udspringer M. Extensor indicis?

A

Underarm:
Bagflade på ulna(distalt)
Membrana interossea(Den tilstødende del)

19
Q

Hvor tilhæfter M. Extensor indicis?

A

Extensoraponeurosen på 2. finger

20
Q

Hvilken funktion har M. Extensor indicis?

A

Håndleddet:
- Dorsalflexion

Fingrene
- Extension af 2. finger(indicis)

21
Q

Hvilken innervation har M. Extensor indicis?

A

N. radialis (C5-C8)