Here’s a secret: Sprinting on a treadmill doesn’t have to totally suck

Psst! Here's a secret: If the thought of doing sprints on a treadmill makes you cringe, just remember to start out uphill.

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Photo: Getty Images/photoaltoale ventura

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.