How to train for a 19,000-foot mountain hike—when you live at sea level

Going from the city streets to the summit of Kilimanjaro isn't easy. Here's how it's done.

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.