What are the characteristics of type II muscle fibers? I - They have a faster contraction speed. II - They can be subdivided into IIA and IIB fibe...
What are the characteristics of type II muscle fibers?
I - They have a faster contraction speed.
II - They can be subdivided into IIA and IIB fibers.
III - IIA fibers have more mitochondria and myoglobin than IIB fibers.
IV - IIA fibers are more resistant to fatigue than IIB fibers.
I - They have a faster contraction speed.
II - They can be subdivided into IIA and IIB fibers.
III - IIA fibers have more mitochondria and myoglobin than IIB fibers.
IV - IIA fibers are more resistant to fatigue than IIB fibers.
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Ed 
As características das fibras musculares do tipo II são: I - Elas têm uma velocidade de contração mais rápida. II - Elas podem ser subdivididas em fibras IIA e IIB. III - As fibras IIA têm mais mitocôndrias e mioglobina do que as fibras IIB. IV - As fibras IIA são mais resistentes à fadiga do que as fibras IIB. Portanto, as alternativas corretas são I, II, III e IV.
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