Type I fibers are: A. Always recruited regardless of exercise intensity. B. Only

Question

Type I fibers are: A. Always recruited regardless of exercise intensity. B. Only recruited during low intensity exercise. C Only recruited during high intensity exercise. D. Recruited during both high and low intensity exercise but are not used out maximal efforts. Male and female athletes have: A. The same Type I and Type II fiber size ratio. B. The same fiber Type distribution but different histochemical proper C. The same fiber Type distribution and histochemical properties. D. The same size muscle fibers.

Explanation / Answer

Answer:

35) B

Type I fibers are known as Slow twitch muscle fibers, these are used during low intensity exercises and in aerobic activities, these are highly resistence to fatigue.

36) A

The muscles of both male and female contain both Type I (50%) and Type II (50%)fibers.

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