Superficielle rygmuskler Flashcards

1
Q

Hvilke muskler ind i de superficielle rygmuskler?

A

M. trapezius
M. latissimus dorsi
M. rhomboideus
M. levator scapulae

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2
Q

Hvor udspringer M. trapezius?

A

Pars descendens - 1

  • Linea nuchalis superior.
  • Protuberentia occipitalis externa.
  • Lig. nuchalis.

Pars horisontalis - 2
- C7 (vertebrae prominens)

Pars ascendens - 3
- processus spinosi T1 - T12

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3
Q

Hvor tilhæfter M. trapezius?

A
Pars descendens (1)
- clavicula - laterale 1/3.
Pars horisontalis (2)
- acromion - mediale kant.
Pars ascendens (3)
- spina scapula.
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4
Q

Hvilken funktion udgør M. trapezius?

A

Scapula:

  • Retraktion
  • Elevation
  • Depression.
  • Upward (samarbejde med m. serratus anterior)

Hovedet:

  • Hovedholder
  • Ekstension

Bærende muskel for skulderbæltet

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5
Q

Hvilken innervation har M. trapezius?

A

N. accessorius (hjernenerve 11)

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6
Q

Hvor udspringer M. latissimus dorsi?

A

Hvirvelsøjlen:

  • Processus spinosi T6 - L5
  • Angulus inferior scapulae
  • Nederste 3 costae.
  • Crista iliaca.
  • Crista sacralis mediana
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7
Q

Hvor tilhæfter M. latissimus dorsi?

A

Humerus:

- Crista tuberculi minoris

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8
Q

Hvilken funktion har M. latissimus dorsi?

A

GH-leddet:
- Ekstension, adduktion, indadrotation.

Scapula:
- Downward

Med armen som punktum fixum.
Bevæge kroppen

Respiration:
Hjælpemuskel ved forceret ekspiration

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9
Q

Hvilken innervation har M. latissimus dorsi?

A

N. thoracodorsalis C6-C8 (plexus brachialis).

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10
Q

Hvor udspringer M. rhomboideus?

A

Processus spinosi C6 -T4.

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11
Q

Hvor tilhæfter M. rhomboideus?

A

Margo medialis (scapula)

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12
Q

Hvilken funktion har M. rhomboideus?

A

Skulderbladet:

  • Retraktion
  • Downward

Holder skulderbladet ind mod thorax, i
samarbejder med m. serratus anterior.

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13
Q

Hvilken innervation har M. rhomboideus?

A

N. dorsalis scapulae C4-C5 (plexus brachialis).

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14
Q

Hvor udspringer M. levator scapulae?

A

Processus transversus C1 - C4.

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15
Q

Hvor tilhæfter M. levator scapulae?

A

Margo superior (scapulae)

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16
Q

Hvilken funktion udgør M. levator scapulae?

A

Scapula:

  • Downward
  • Elevation

Halshvirvelsøjlen:

  • Lateralfleksion
  • Stabilisering og styring
17
Q

Hvilken innervation har M. levator scapulae?

A

N. dorsalis scapulae C4-C5 (plexus brachialis).