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 ...

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 ...

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 ...

Have you ever observed a baby in action, figuring out how to crawl or dropping into a squat with perfect form? It’s one of the best ways to understand primal movement, a type of workout based on ...

It’s now hot to trot. A rising fitness trend has fans channeling their inner animal by walking, running and even jumping on all fours, a form of movement known as “quadrobics.” The unconventional ...

More casual gym-goers are going wild. Major chains are offering new classes where participants act like animals by getting down on all fours and imitating apes, donkeys, crabs and scorpions. Another ...

Weight racks, punching bags, kettle balls, weight plates. All the typical gym accoutrements line the walls at The Den Somatics. But the health-hungry men and women in this morning’s primal movement ...

The Class: PRIMALfit is a 45-minute class that hones in on primal movements. Cavemen preparing for battle? The instructor, Brian Casad, relies on steel maces, weighted clubs, and carefully ...

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 ...