No matter your fitness level or the style of workout you're doing, a huge component of a proper training philosophy focuses on the core. The core is the foundation of movement, and without a strong ...
For the days when I'm feeling extra unmotivated, I like to turn on a 20-minute ab workout video on YouTube. They're short and sweet, but will have you burning hundreds of active calories and working ...
Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Shutterstock While ...