Is the boutique fitness bubble about to burst?

With all of the fitness industry growth come questions of sustainability, like, when is it no longer possible to sprint at this level of intensity? Experts respond.

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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.