Your core is an integral part of daily functions and your athletic performance—it’s used every time you sneeze, cough, have a bowel movement, pick things up, or do something more obvious… like sprint.

I’ve always found that variety is key to keeping myself engaged in strength training. If I stick to the same workout or exercises for too long, then boredom sets in and I become less inclined to train ...

You have to engage your core constantly as you sit straight, stand tall, and walk confidently, which requires a lot of endurance in your midsection muscles. The best way to build ab endurance? A core ...