How many crunches can you do — and how does that stack up with others your age? That was the question posed by "FOX & Friends" on Monday, when fitness expert Joseph David challenged hosts Brian ...

Core strength plays a vital role in daily function, athletic performance, and long-term health. Beyond aesthetics, a strong core supports posture, protects the spine, and enhances balance and mobility ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...