Add Yahoo as a preferred source to see more of our stories on Google. Reps in Reserve (RIR) is a concept that has been around for years, but has gained popularity recently. Sometimes new ideas can be ...

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 ...

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 ...

My name is Cori Ritchey, and I am an exercise physiology nerd turned fitness journalist, and the fitness editor at Women’s Health. When I’m not writing, editing, and researching fitness, I’m teaching ...

Reps in Reserve (RIR) is a concept that has been around for years, but has gained popularity recently. Sometimes new ideas can be intimidating to even advanced lifters, but reps in reserve is quite ...