JUMPING ROPE is one of the single most efficient cardio workouts. In fact, according to ScienceDaily, 10 minutes of jumping rope is equivalent to running a mile. Plus, it's lower impact than running, ...
Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. A jump rope is a ...
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