Stretching: The Truth
Although many physiologists still advocate preliminary stretching before a workout, Michael Bracko, PhD, a sports physiologist in Calgary, Alberta, and a spokesperson for the American College of Sports Medicine, agrees with the study's findings: "Muscles get injured because they fail—they're tired or weak, or they have repeated microtraumas—not because they're inflexible," he says. Bracko and Thacker suggest that instead of stretching, you try a new warm-up drill: a light version of the activity you're preparing for—walk before you run, do some easy tennis swings before you start a game. And, Bracko adds, the best way to avoid injuries is to strengthen your muscles with a regular weight training regimen.
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