What characterizes fast-twitch muscle fibers?
A) aerobic energy system
B) rapid contraction
C) use of oxidative energy system
D) endurance
Correct Answer:
Verified
Q3: How does strength training improve body composition?
A)
Q6: Which activities predominantly use fast-twitch muscle fibers?
A)walking
Q6: What percentage of all Americans will be
Q8: Which essential hormone do men have in
Q9: Which is a result of inactivity and
Q9: Which activities predominantly use slow-twitch muscle fibers?
A)
Q14: Properly aligning the spine and the strong
Q15: Which describes a muscle fiber?
A) a motor
Q15: How is muscular strength assessed?
A)by measuring the
Q19: What characterizes slow-twitch muscle fibers?
A) lack of
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