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Call it the busy person's workout: Exerting yourself in 15-minute bursts, whether at home or on the move, can pump up your heart rate, stretch and strengthen your muscles, and go a long way to boosting your health and wellbeing.
Most doctors recommend pushing your heart to beat faster for up to 20 to 30 minutes at a time, several times a week. But even exercising for less than 30 minutes each day can reduce your risk of death from any cause by 19 percent, compared with someone who doesn't exercise at all, according to a recent study by the University of Cambridge in England.
Real Simple suggests adding one of the following five workouts to your day, or mixing it up with a different one each day of the week.
