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When an Olympic Weightlifter Uses Explosive Strength to Lift a Personal

Question 171

Multiple Choice

When an Olympic weightlifter uses explosive strength to lift a personal best,the _________ fibers in her legs are probably the most active,but the marathon runner relies on her _________ fibers.


A) slow twitch;fast twitch
B) fast twitch;slow twitch
C) Type I;Type IIa
D) Type I;Type IIb

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