caracteristiques des fibres musculaires Flashcards by chash ioo | Brainscape

Q

fibres de types I :

✔️vitesse de contraction

✔️puissance de contraction

✔️richesse en capillaires

✔️myoglobine

✔️teneur en glycogene

✔️richesse en mitochondries

A

✔️vitesse de contraction ➕

✔️puissance de contraction ➕

✔️richesse en capillaires ➕➕➕

✔️myoglobine ➕➕➕

✔️teneur en glycogene ➕

✔️richesse en mitochondries ➕➕➕

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Q

fibres de types IIA :

✔️vitesse de contraction

✔️puissance de contraction

✔️richesse en capillaires

✔️myoglobine

✔️teneur en glycogene

✔️richesse en mitochondries

A

✔️vitesse de contraction ➕➕

✔️puissance de contraction ➕➕

✔️richesse en capillaires ➕➕

✔️myoglobine ➕➕

✔️teneur en glycogene ➕➕

✔️richesse en mitochondries ➕➕

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Q

fibres de types IIX :

✔️vitesse de contraction

✔️puissance de contraction

✔️richesse en capillaires

✔️myoglobine

✔️teneur en glycogene

✔️richesse en mitochondries

A

✔️vitesse de contraction ➕➕➕

✔️puissance de contraction ➕➕➕

✔️richesse en capillaires ➕

✔️myoglobine ➕

✔️teneur en glycogene ➕➕➕

✔️richesse en mitochondries ➕

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Q

fibres dites rouges = myocytes de type …

activité ATPasique?

A

I

faible activité ATPasique

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Q

fibres dites blanches = myocytes de type …

A

II

forte activité ATPasique

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