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How HIIT workouts help you burn fat and hit your exercise goals

from USA Today

High intensity interval training (HIIT) offers several benefits, according to cardiologist Wesley Tyree. HIIT involves exercise at high exertion levels, from 80 to 95 percent of maximal heart rate for short periods, followed by a recovery period that’s usually 40 to 50 percent of maximal heart rate. more

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