Compound exercises are the most comprehensive set of training to stimulate muscle mass. These exercises engage your whole body, including your glutes, forearms, back, and core. They may include heavy ...

Most of you know that training your upper body provides endless benefits, from improving your posture to increasing your metabolism. You might think of individually working your arms, shoulders, chest ...

Your back may not be the first area that comes to mind when strength training to tone your muscles. But it quickly becomes top of mind when pain creeps up. Unfortunately, both lower back pain and ...

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 ...