Can a healthy dose of fear actually improve your workouts?

Extreme skier Kristen Ulmer shares advice on ways to use the feeling to your advantage—in workouts and in life—from her new book, "The Art of Fear".

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Photo: Stocksy/Studio Firma

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.