Does Sweating = Working Hard?
Fact or Fiction? The more you sweat during a workout, the more fat you lose because you’re working harder.
Fiction. It may seem logical to think that the more you sweat, the more calories you burn, but before you measure the success of your next workout by the size of your pit stains, let’s quickly review what exactly is happening to your body when you sweat. Sweating is the process that your body goes through in order to maintain its normal body temperature. How much—or little—you sweat does not correlate to how many calories you are burning. When it comes to the number of calories burned during a workout session, duration (how long you work out) and intensity (how hard you work out) are really what matters. For example, you may not sweat much on a 3-mile treadmill run inside your air-conditioned gym this summer, but you’re still burning more calories than a slow, sweaty walk outside in the sun.
—Jessica Matthews, exercise physiologist at the American Council on Exercise
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