How to master Naomi Campbell’s battle ropes exercise for a full-body workout

Want to learn how to master the Naomi Campbell-approved battle-ropes full-body cardio exercise? Here's exactly how it's done, straight from a trainer. And yes—it's so much harder than it looks.

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Photo: Instagram/@iamnaomicampbell

The Surprising Way to Strengthen Your Hip Joint, According to Experts

Hint: Giving that ball and socket some love doesn't always mean more stretching.