2017.03.11 CSCS Daily Study Question:
During a clean and press lift, which muscle fiber type would have lower relative involvement in the activity ?
(A) Type I muscle fibers
(B) Type II muscle fibers
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Correct Answer:
A — Type I muscle fibers
Explanation:
Type I muscle fibers are “slow-twitch” and have higher resistance to fatigue due to higher capacity for aerobic energy supply.
Type II muscle fibers are “fast-twitch” and have higher capacity for rapid force generation, and lower resistance to fatigue due to greater anaerobic energy supply.
As the clean and press lift is a high-intensity, short-duration activity, there will be higher relative involvement of Type II muscle fibers which use anaerobic energy systems.
Reference:
Essentials of Strength Training & Conditioning 3rd Edition p. 9 – 11.
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2017.03.11 CSCS Daily Study Question