What Is the 75 Hard Challenge—And Is It Actually Good for You? Experts Weigh In

Learn why you might want to think twice before trying the 75 Hard Challenge this year, according to three experts.

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Photo: Getty Images/Tempura

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.