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Will cross-training
make me more fit?
Posted December 30th, 2006 at 12:00 PM by Martin Kennedy
Section: Health & Fitness, Exercise
Fitness refers to your heart, and the harder you exercise, the more fit you become. But every time you exercise vigorously your muscles are injured, and the harder you exercise, the longer it takes for your muscles to heal. Muscle biopsies done the day after a person exercises vigorously show bleeding into the muscles and disruption of the Z-bands that hold muscle filaments together. You are not supposed to exercise vigorously again until the muscle soreness disappears.
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On December 3, 2008
Deserae Yorgey said:
I made a quote for running one time during a track workout. "I run because I can. I can...