Origines-insertions muscles impliqués dans inspiration Flashcards

1
Q

muscles impliqués à l’inspiration normale

A

diaphragme (principalement) et intercostaux externes

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2
Q

origine diaphragme

A

de l’appendice xiphoïde jusqu’au centre phrénique

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3
Q

insertion diaphragme

A

centre tendineux

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4
Q

innervation diaphragme

A

nerf phrénique (C3-C5)

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5
Q

muscles impliqués dans expiration normale

A

elle se fait passivement (relâchement des muscles)

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6
Q

muscles impliqués dans l’inspiration forcée

A

diaphragme et muscles accessoires (SCM, scalènes, petit pectoral et trapèze supérieur)

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7
Q

origine SCM (sterno-cléido-mastoÏdien)

A

2 chefs :
1. claviculaire (1/3 médial de la clavicule)
2. sternal (face antérieure du manubrium)

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8
Q

insertion SCM

A

processus mastoïde et ligne nucale latérale et supérieure

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9
Q

innervation SCM

A

nerf accessoire (nerf crânien XI) et branche nerfs cervicaux C2 à C4

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10
Q

origine trapèze

A

ligne nucale supérieure, protubérance occipitale externe, ligament nuchal, épineuses C7 à T12

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11
Q

insertion trapèze

A

tiers externe de la clavicule, acromion, épine de la scapula

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12
Q

innervation trapèze

A

nerf accessoire (nerf crânien XI), nerfs cervicaux C3 et C4

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13
Q

origine scalènes (ant, moyen et post)

A

processus transverses des vertèbres cervicales C2 à C7

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14
Q

insertion scalènes

A

1ère côte et 2ème côte

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15
Q

muscles impliqués à l’expiration forcée

A

oblique externe et interne, transverse de l’abdomen et intercostaux internes

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