The Cause of Skeletal Muscle Fatigue During Extended Submaximal Exercise

question 58

Multiple Choice

The cause of skeletal muscle fatigue during extended submaximal exercise is primarily a(n)

• A) depletion of glycogen stores.
• B) depletion of creatine stores.
• C) increased inorganic phosphate (Pi) concentration.
• D) depletion of K⁺ stores.

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