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 ...

When was the last time you crawled across your living room? Or, better yet, stood up from your desk to stretch and twist your body? If it’s been a minute, it might feel good to add more primal ...

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 ...

Men over 40 are rethinking what it means to stay fit. Long hours under fluorescent lights and rigid routines feel out of step with what their bodies now demand. A growing number are dropping machines ...