Bored with back day? Former Ms. Olympia Dana Linn Bailey reveals her "100s" method to destroy your back in just 30 minutes. This 400-rep gauntlet is designed to spike hypertrophy, improve ...

A rep is a repetition — that is, the number of times you do an exercise before you take a short break. A set is a group of repetitions, like two sets of 15 reps. Strength training is a type of ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you tend to breeze through the "easy" part of an exercise—like lowering into a squat or letting your ...

The biggest challenge of doing pull-ups is performing the first one, which is a pure strength exercise, and this single pullup tends to take the most time to develop for most people. However, ...