types contractions Flashcards

1
Q

isotonique

A

Fm constant
C constant
modif longueur de muscle
pour déplacement

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2
Q

anistonique

A

Fm varie

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3
Q

isocinétique

A

vitsse de contaction est constante

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4
Q

isométrique

A

pour Mouvement contre résistance et
maintien de posture.
Fm = C
Longueur du muscle constante

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5
Q

anisométrique

A
Modification de la longueur du muscle
Concentrique  Raccourcissement du
muscle (Fm > C)
 Excentrique
 Allongement du muscle
(Fm <  C)
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6
Q

Longueur optimal L0

A

2 et 2,2μm.

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7
Q

Bandes claire

A

I = isotrope)

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8
Q

Bande sombre

A

A = anisotrope

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9
Q

bande avec longueur variable

A

I et H

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10
Q

UM lente

A

petite taille

fréquence basse

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11
Q

UM rapide

A

grande taille

PA haute fréquence

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12
Q

ordre UM

A

UM lentes recrutées avant rapides

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13
Q

Tension :

A

force exercée par le muscle sur un objet

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14
Q

Charge

A

force exercée par l’objet sur le muscle.

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15
Q

Force active

A

Dépend du nombre de ponts A/M

formés pendant contraction.

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16
Q

recrutement

spatial

A

Augmentation du nombre d’UM par muscle

17
Q

recrutement temporel

A

.

Augmentation du nombre de décharge pour chaque UM