3 common burpee mistakes that can lead to injury

Burpees are a complicated movement and require a lot of core and upper-body muscle power—even Kate Upton's trainer isn't a fan. Here are three mistakes that might lead to injury, like incorrect shoulder positioning and droopy hips.

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Photo: Stocksy/Jesse Morrow

16 Upper Glutes Exercises Personal Trainers Swear By for a Stronger Butt

Why your upper glutes deserve more love, and the best exercises to strengthen them.

woman doing an upper glutes exercise with an exercise band.