A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles. That ...

After a long day hunched over my laptop, my body sometimes feels like a crumpled up ball of paper ready to be thrown in the trash. Just standing straight again can be a real, um, stretch. But I’ve ...

Hanging from a pull-up bar can improve your grip strength and shoulder mobility—but dead hangs are also kind of overrated. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications ...