Use these five dumbbell exercises to build your back and biceps muscles without a pull-up in sight. We know there are plenty of pull-up variations you can try to suit your current ability if you don't ...

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 ...

Do you want a strong core, and maybe a chance of developing a six-pack? Adding some ab isolation exercises will help you target that area. Read on, and I’ll explain the best exercises, the best ...

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 ...