The research shows that remote personal training really can boost your fitness and trim your waistline, and online coaching ...

Experts explain the findings and what to know before switching up your routine.

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. Working one-on-one with ...

As we age, our body’s nervous system starts to slow down. The nerves that tell our muscles to move don’t fire as quickly. That decline can shape how we move, react, and perform. Resistance training ...