Should you go all in on walking—or switch up your workouts during the week? A new study compares the longevity benefits of ...

Experts revealed the ideal amount of exercises to complete for the most effective workout and the number suggested for the average person may surprise you. Fitness experts recommend completing between ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." POP QUIZ: HOW many reps and sets should you do per exercise to build muscle? If you’re in the know, ...

Two new Finnish studies show that short bouts of light or moderate exercise can increase the number of immune cells in the bloodstream of cancer patients. Exercise decreases the risk of cancer and ...

A rep is a repetition — that is, the number of times you do an exercise before you take a short break. A set is a group of repetitions, like two sets of 15 reps. Strength training is a type of ...