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. Double unders are ...

November 15, 2016 Add as a preferred source on Google Add as a preferred source on Google Rocky made jumping rope for exercise look easy, but it’s more than just hopping to badass music. It’s all in ...

Few things are as simple as a jump rope. Just a plastic cord, really, with a couple of handles at the ends, made quite literally for child's play. But in the hands of Rene Bibaud, a jump rope blurs ...

Cardio gets a bad rap for being boring, and we get it: running, walking, and cycling feel pretty one-dimensional when you're doing them day in, day out. Aiming for variety in your workout routine ...