Håndens Thenars muskler Flashcards

1
Q

Hvilken muskler indgår i håndens Thenars muskler?

A

M. abductor pollicis brevis
M. flexor pollicis brevis
M. opponens pollicis
M. adductor pollicis

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2
Q

Hvor udspringer M. abductor pollicis brevis?

A

Eminentia carpi radialis.
(tuberculum ossis schaphoidei).
Retinaculum flexorum.

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3
Q

Hvor tilhæfter M. abductor pollicis brevis?

A

Radiale sesamoid

Basis tommelens grundstykke

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4
Q

Hvilken funktion har M. abductor pollicis brevis?

A

Tommelens rodIed:
Abduktion.
Opposition.

Tommelens grundled:
Fleksion.

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5
Q

Hvilken innervation har M. abductor pollicis brevis?

A

N. medianus (C8-T1)

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6
Q

Hvor udspringer M. flexor pollicis brevis?

A

Eminentia carpi radialis.
(tuberculum ossis schaphoidei).
Retinaculum flexorum.

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7
Q

Hvor tilhæfter M. flexor pollicis brevis?

A

Radiale sesamoid.

Basis tommelens grundstykke

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8
Q

Hvilken funktion har M. flexor pollicis brevis?

A

Tommelens rodIed:
Abduktion.
Bidrager ved oppositionsbevægelsen.

Tommelens grundled:
Fleksion.

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9
Q

Hvilken innervation har M. flexor pollicis brevis?

A

Superficielle del :
- n. medianus (C8-T1).

Profunde del:
- n. ulnaris (C8-T1).

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10
Q

Hvor udspringer M. opponens pollicis?

A

Os trapezium

Retinaculum flexorum

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11
Q

Hvor tilhæfter M. opponens pollicis?

A

Os metacarpale I (hele radiale kant)

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12
Q

Hvilken funktion har M. opponens pollicis?

A

Tommelens rodIed:
Opposition.
Adduction.

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13
Q

Hvilken innervation har M. opponens pollicis?

A

N. medianus (C8-T1),

evt. innerveret af dyb gren fra n. ulnaris

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14
Q

Hvor udspringer M. adductor pollicis?

A

Udspringer med to hoveder:

  • caput transversum
    (Skaftet af os metacarpale III
    (palmare kam))
  • caput obliquum
    (Sulcus carpi - knogler og ligamenter)
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15
Q

Hvor tilhæfter M. adductor pollicis?

A

Ulnare sesamoid.

Basis tommelens grundstykke.

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16
Q

Hvilken funktion har M. adductor pollicis?

A

Tommelens rodIed:
Adduktion af tommelen.
Bidrager ved oppositionsbevægelsen.

Tommelens grundled:
Fleksion.

17
Q

Hvilken innervation har M. adductor pollicis?

A

N. Ulnaris - ramus profundus (C8-T1)