There are two things I know to be true. One, I love a challenge. (Perhaps you remember my daily plank practice?) And two, I hate failing. When the opportunity to partake in a flexibility challenge ...

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 ...

Test your flexibility with this fun “How Far Can You Split” challenge! See just how far you can go and track your progress as you improve strength, mobility, and balance. #SplitChallenge #FlexibilityC ...

I'm always working on a side quest, from getting certified in an obscure professional trade (airbrush tanning) to developing a new skill (just because I live in Manhattan doesn't mean I can't learn to ...

It’s a perfect time to start stretching and moving your body. Kelly Smith, creator of Mindful in Minutes, is here to kick off a 10-day stretch challenge. Follow along on our challenge on Instagram ...

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 ...