Moderate

ST fibers contains:____________?

Correct answer: A. Marathon runners

  • A. Marathon runners
  • B. Sprinters
  • C. Weight lifter
  • D. Throwers

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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