ST fibers contains:____________?
Correct answer: D. Marathon runners
- A. Throwers
- B. Sprinters
- C. Weight lifter
- D. Marathon runners
Explanation
ST means slow-twitch fibres, which contract economically and resist fatigue for prolonged activity. Marathon runners therefore rely heavily on these fibres, unlike sprinters and weightlifters, who need more fast-twitch fibres.
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