Spartan vs. Tough Mudder: How the top mud challenges compare

Crawling under barbed wire with pals or racing past gladiators for the win? We compare the top challenge races so you can figure out which mud pit to dive into.

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.