The Plus Factor: Why a new generation of fitness pros is going free-agent—and big-time

Finding it tougher to remember where your fave instructor is teaching, day to day? Up-and-coming stars aren't sticking with one studio these days—they're going free-agent and (they hope) big-time.

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Photo: Instagram/@fit__house

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.