Why slow-twitch exercises are key for muscular endurance

Experts explain what to know about muscular endurance, how activating your slow twitch (type 1) muscle fibers improves it, and how to boost your own.

alt
Photo: Getty Images/Matthew Leete

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.