"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, ...

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 ...

Building an effective workout routine isn’t just about showing up at the gym. One of the most important decisions you’ll make is how to split your training across the week. Trainers emphasize that ...

When it comes to building muscle—or any fitness routine, for that matter—most people assume that more is more. More sets, more reps, more time in the gym must mean more gains. Right? From there, ...

On the backside of each of your upper arms is an unsung hero. With the right amount of consistent, balanced strength training, you can give it the attention it deserves—and in doing so, stretch the ...

Strength training should be a staple of any fitness routine. In addition to increasing muscle strength and mass, regular strength training helps maintain strong bones, improve balance and offers ...

Most of you know that training your upper body provides endless benefits, from improving your posture to increasing your metabolism. You might think of individually working your arms, shoulders, chest ...

To feel healthy, resilient and independent after the age of 50, it’s vital that you make the effort to keep your body strong – especially if you want to keep running well into your later years. And ...