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 ...

This is a primal movement beginner video where I demonstrate some simple movements and a flow you can use to start natural movement training. The first part is a tutorial of various positions and ...

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 ...