physical fatigue

Where has your get-up-and-go gone?

posted on January 1, 2005 - 4:23pm
In its broadest sense, fatigue is defined as a lack of energy, a subjective feeling of being tired. Fatigue also occurs when muscles decline in force — in other words, they poop out with overuse. Most people complain of fatigue at one time or another, says Julie C. Haviland, a physician at St. Vincent Mercy Medical Center in Toledo, Ohio.

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