"Hearst Magazines and AOL may earn commission or revenue on some items through these links." I never identified as a "gym-girl," but I think I've earned the title after realizing that I'm the toughest ...

A recent study published in the journal Psychology of Sport and Exercise found that people who listened to music at 120–140 bpm saw a 20 percent increase in endurance. The study’s lead author and ...

Before adding higher-level workouts to your plan, you need a consistent mileage base, established fueling and hydration habits, and the ability to recover well between quality efforts, explains ...

A new study suggests that the current exercise guidelines of 150 minutes per week may offer modest cardiovascular protection, ...

If you’re consistently training, staying healthy, and improving year after year, you may not need major changes to your ...