Many people assume that to pack on muscle, they need to lift really heavy weights. But lifting light weights is an effective way to increase your strength!
Chances are, you're probably reading this article from a seated position. Here's what you need to know if you find yourself sitting too much at your desk.
We've compiled five of the best core exercises that are challenging, well-rounded, and way more fun than basic sit-ups and crunches — no equipment needed!