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 ...

The splits aren't just for dancers and gymnasts — for the average person, they increase flexibility, which can improve range of motion and help stave off injury. However, before you start stretching ...

Why splits are tough: Tight hips, hamstrings, and inner thighs can limit your range of motion, making splits challenging even for active people. Smart stretching tips: Target multiple muscle groups ...

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 ...