Justin Timberlake’s newest workout has me exhausted and intrigued. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Justin Timberlake has never ...

I'll admit it: For years, I avoided adding a medicine ball to my workouts. Frankly, I was intimidated by the large weighted ball, imagining it was meant solely for hard-core exercisers with 18-inch ...

Doing the classic sit-up involves having a partner hold your feet or anchoring your feet under a brace as you lift your torso toward your thighs. This variation may be common, but it isn't necessarily ...