Mastering proper dumbbell fly technique can be the missing link between a stagnant chest and noticeable gains in strength, definition, and upper-body power.

The Best and Worst Chest Exercises, According to a Trainer originally appeared on Men's Fitness. Chest day is sacred. But if you’re just benching and hoping for the best, you’re leaving serious gains ...

'The Godfather of Bodybuilding' says this simple adjustment makes every rep hit harder ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Work smarter, not harder.

We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build your upper body with chest presses, rows, lateral raises, bicep curls, ...

Building and maintaining muscle mass is important for everyone, regardless of age — and one of the strongest predictors of long-term health.

Seated exercises after 60 can rebuild muscle fast. Get 4 joint-friendly moves from CSCS Jarrod Nobbe, plus sets and form tips ...