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Which of the following does NOT lead to muscle fatigue? prolonged muscle contraction high-intensity exercise of...

Which of the following does NOT lead to muscle fatigue?

prolonged muscle contraction
high-intensity exercise of a long duration
repetitive stimulation of a muscle
maximal tetanic tension
Science   Anatomy-And-Physiology   
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Answer #1

CORRECT ANSWER: maximal tetanic contraction

EXPLANATION: A tetanic contraction or physiologic tetanus, is a sustained muscle contraction evoked when the motor nerve that innervates a skeletal muscle emits action potentials at a very high rate. During this type of contraction there will no accumulation of lactic acid in the muscles so there will be no fatigue. All other contraction lead to accumulation of lactic acid and cause muscle fatigue. Tetanic contraction are produced by electrical stimulation.

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