As a personal trainer, I know firsthand how crucial it is to prioritize mobility and flexibility, especially at the end of the day. The demands of training, coaching, and daily life put stress on the ...

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 ...

Doing splits is so much more than a cool parlor trick. Indeed, the ability to seamlessly slide into a split is a fantastic feat of flexibility and mobility, which is also why accomplishing the ...