Muscles primaires de l'inspiration Flashcards

1
Q

Parties du diaphragme

A
  1. Portion sternale
  2. Portion costale
  3. Portion lombaire
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2
Q

Qu’est-ce que le tendon central?

A

Aponévrose où les 3 parties s’insèrent

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3
Q

Quelles sont les ouvertures dans le diaphragme?

A
  1. L’aorte passe derrière le ligament arqué médian
  2. Hiatus oesophagien
  3. Foramen de la veine cave inférieure
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4
Q

Origine diaphragme

A
  1. Surface interne de l’appendice xiphoïde
  2. Surface interne des cartilages costaux et portion adjacentes des six dernières côtes
  3. Vertèbres lombaires supérieures et ligaments arqués médial et latéral
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5
Q

Insertion diaphragme

A

Tendon central

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6
Q

Action(s) diaphragme

A

En se contractant, diaphragme tire tendon central vers le bas, augmentant les dimensions verticales et antérolatérale de la cage thoracique

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7
Q

Innervation diaphragme

A

Nerfs phréniques issus des nerfs spinaux cervicaux C3-C5

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8
Q

Origine intercostaux externes

A

Surface inférieure de la côte située au-dessus

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9
Q

Insertion intercostaux externes et internes (portion parasternale)

A

Surface supérieure de la côte située en dessous

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10
Q

Action(s) intercostaux externes et internes (portion parasternale)

A
  • Expansion de la cage thoracique
  • Rigidifie la paroi thoracique
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11
Q

Innervation intercostaux externes et internes (portion parasternale)

A

Nerfs intercostaux (T1-T11)

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12
Q

Origine intercostaux internes - parasternal

A

Surface inférieure des côtes, de la jonction costochondrale au sternum

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