5 questions for celebrity trainers (and parents) Chris and Heidi Powell

The co-hosts of ABC's Extreme Weight Loss have four kids, a CrossFit box in their garage, and great advice about finding your own "magic workout."

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.