Experts share the best types of interval training to help you improve both as a long-distance runner and an all-around athlete.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." After a year of reestablishing a workout habit and focusing on strength gains, I was eager to see more ...

“This kind of mental strength is fundamental in all combat sports and life in general.” Crushing an hour-long workout at 3 a.m., swimming in ice-cold water for extended periods, slashing calories to ...

Add these to your routine ASAP.

Randal Claytor is an associate professor of kinesiology, nutrition and health at Miami University. When you enter the gym, which way should you head first? Toward the treadmills and spin studio to get ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

This story is adapted from Life Kit's Guide to Building Strength, a five-day email series. Sign up for the special newsletter here. There are innumerable ways to shape a workout routine for building ...