Now, before you go grabbing that pump, you’re going to want to make sure you have the right ball size on hand. To do that, all you need to know is your height. If you’re 5’5” or shorter, stick to a 55 ...

In TODAY.com's Expert Tip of the Day, a trainer reveals the equipment-free hack to know you're exercising intensely enough.

As a personal trainer, I frequently am asked by my clients about the exercises that burn the most calories. I usually respond by explaining that other indicators — like strength, endurance and heart ...

Burn belly fat faster with six standing moves that boost metabolism, build muscle, and protect joints after 45.