How the Warm-Up Works
A warm-up not only reduces your risk for injury. According to the American Council on Exercise, it also helps you burn calories more efficiently due to the increase in your core body temperature. As you gradually ease into movement, your muscles begin to heat up, which increases their elasticity. The blood vessels also dilate, which allows blood to move more freely, delivering oxygen to the heart and the muscles. Increased oxygen flow to the muscles facilitates a better supply of energy for exercise. Instead of experiencing a rapid increase in movement and heart rate, like what occurs when you go from no movement to intense exercise, a warm-up allows the body to prepare for the activity, improving exercise performance.
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