POP QUIZ: HOW many reps and sets should you do per exercise to build muscle? If you’re in the know, you're aware that the answer is generally three to four sets of eight to 12 reps (although recent ...

The following cheat-sheet will give you an idea of how many rest days you need a week, depending on your goals: ...

Aerobic fitness is a strong predictor of heart health and longevity, and it can be improved with weekend-only exercise. Exercising only on weekends can still be beneficial, provided the same total ...

"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, ...