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 ...

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 ...

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 ...

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 ...

I seem to be on a bit of a roll with hip challenges. This was my third after the 90/90 hip stretch and the hip airplane exercise, so I’ve been working the area pretty regularly and, as a result, ...

Being able to touch your toes is a lot more important than you might think.