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 ...

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

IN THE AGE of peak fitness influence on social media, there's no shortage of exercises circulating your feed. While it's nice to have a vast library of movements to keep your days in the gym ...

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 ...