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 ...

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 ...

Why splits are tough: Tight hips, hamstrings, and inner thighs can limit your range of motion, making splits challenging even ...

Lie faceup in a reverse tabletop position with your hips and knees bent 90 degrees. Place a yoga block or Pilates ball ...

There are tons of different stretching exercises—you can stretch the whole body, or just focus on specific areas like the legs or hips. There are also static and dynamic stretches. The choice between ...