When you lift a weight, how many times should you lift it? Supposedly, there’s a correct “rep range” to use to build strength, and a different rep range to build muscle size, or endurance, or to “tone ...

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 ...

Why reps matter: Reps and sets determine workout volume, which directly impacts muscle growth. Too few won’t stimulate gains; too many can cause fatigue without benefit. Training for goals: ...

BUILDING MUSCLE TAKES a plan. If you schlep to the gym four times a week, pick up a random pair of dumbbells, and do a few sets of random reps for a handful of exercises, your results aren’t going to ...