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 ...

Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

Though bodybuilders and runners usually take different approaches towards physical fitness, each gets something positive out of their efforts. "The most important exercise for each person is the ...

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 ...

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