I’m a corrective exercise specialist and eccentric exercise is the fastest way to get stronger and more flexible

Eccentric exercise is a trainer’s best-kept secret for building muscles faster and preventing injury. Try these five moves to get you started.

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Photo: Getty Images/Cavan Images

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.