FOR MOST OF human history, "working out" wasn’t really a thing. Sure, athletes and warriors conditioned their bodies to excel in the arena and battlefield, but everyday men and women simply didn’t ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

We can’t imagine our Paleolithic ancestors sinking into a couch, absorbed in a digital screen, because they didn’t have digital screens, and life was definitely different back then. One of the fitness ...

Moving like your ancestors is the primal fitness trend gaining ground as more people shift toward functional training. Quadrobics, a workout where participants move on all fours like four-legged ...