5 core exercises for runners that also benefit every type of athlete out there

Nike Master Trainer Traci Copeland is walking us through a runner core workout that'll strengthen your abs (and more), and will benefit everyone.

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Photo: Getty Images/BraunS

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.