Ellen DeGeneres knows that being cooped up at home might cause a decline in workout motivation. That's not necessarily a bad thing — it's a stressful time — but she acknowledges that getting in ...

You've probably seen online challenges, friends trying it, or simply heard that "planking is the best for abs." But what really happens if you decide to take it a step further and commit to doing a ...

Add Yahoo as a preferred source to see more of our stories on Google. We already knew Carrie Underwood was fit, but one recent Instagram has us completely in awe of her strength. On Friday, the ...