"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, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." ON THE BACKSIDE of each of your upper arms is an unsung hero. With the right amount of consistent, ...

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 ...

Knowing how many sets to do per workout is a minefield. In fact, just listening to your PT reel off the many different types of set names can feel like you've landed in a foreign country. That's why ...

The three main risk factors for heart disease are high blood pressure, high blood cholesterol, and smoking. According to the CDC, around half, or 47%, of the people in the United States have at least ...

You might think you have to exercise for an hour or longer to build strength in an 8-hour workday, but this new study yields ...