Tronc - Muscle #5 Flashcards

1
Q

Quels sont les muscles de la paroi thoracique antérieure?

A
  • Subclavier
  • Petit pectoral
  • Grand pectoral
  • Dentelé ant.
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2
Q

Quels sont les muscles respirateurs de la paroi thoracique?

A
  • intercostaux internes
  • intercostaux externes
  • intercostaux intimes
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3
Q

Subclavier

A

O: cartilage costal 1er côte
T: face antérieur de la clavicule
A: protège art. strerno-claviculaire
I: subclavier (p.b C5-C6)

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4
Q

Quel nerf innerve les muscles pectoraux?

A

nerf pectoraux med/lat (pb C6-T1)

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5
Q

Petit pectoral

A

O: côtes 3-4
T: processus coracoïde de la scapula
A: abaisse + abduction scapula

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6
Q

Grand pectoral

A

O:
(portion clav): moitié med clavicule
(portion sterno-costale): face ant. du manubrium + corps sternum + cartilage costaux 1-6
(portion abdominale): aponévrose abdominale
T: tubercule majeur humérus
A: adduction + rotation med du bras

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7
Q

Dentelé antérieur***

A

O: digitations des côtes 1-9
T: bord medial de la scap
A: fixe scap et l’amène en abd
I: thoracique long (pb C5-C7)

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8
Q

Quel nerf innerve les muscles respirateurs de la paroi thoracique?

A

nerf intercostaux

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9
Q

Quelle est l’action des muscles respirateurs de la paroi thoracique ?

A

Respiration

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10
Q

Intercostaux internes

A

O: sternum
T: angles costaux

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11
Q

Intercostaux externes

A

O: tubercule costal
T: jonction chondro-sternale
* orienté obliquement vers l’avant et vers le bas

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12
Q

Intercostaux intimes

A

O: Sternum
T: Angles costaux
* les + profonds

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