To celebrate our Body Issue, we've kicked off a 30-Day Challenge designed by celebrity and Victoria's Secret Angels trainer Dan Roberts to boost our energy and fitness levels for all the summer happenings we plan to get into. 

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The move: One legged squats

Even if you train regularly, performing a one legged squat is a unique skill that requires patience and practice to master. The full range motion will simultaneously train strength, balance, and mobility, so it's definitely worth the effort. 

The difficulty level: Balance will be an issue, there's no doubt about it. If you're starting out for the first time, squat down onto a chair or hold onto a pole/bar until you feel comfortable enough to do it without any assistance. 

The burn factor: 8/10

Join us in the fun and show us your progress by instagramming and tweeting us at @ELLEUK and @ELLFitTeam, using the hashtag #ELLEFit