Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." BUILDING MUSCLE TAKES a plan. If ...

Figuring out how many sets and reps to do, what exercises to try, and where to start can be daunting, and it’s one of the main reasons many people opt for a personal trainer or group classes. Once you ...

Look, if you’re at all curious about weight lifting and strength training exercises, you’ve probably heard the word “reps” at some point. You may have even used the abbreviation yourself but still not ...

"Work smarter—not longer." ...

"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, ...