To strengthen your back, everyone knows that there is a key exercise: pull-ups. That said, this exercise already requires excellent sheathing and strong upper body muscles (biceps, triceps, trapezius, ...

In its simplest terms, the pull-up seems pretty basic: hang from a bar, then pull yourself up to it. It’s not complicated, but that sure doesn’t mean that it’s easy. In fact, this bodyweight, no-fancy ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. • Strengthening your back ...

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 ...