Inwood-based personal trainer Katie Mack (who goes by her last name) set out to add 50 pounds to her trim 5-foot-5, 123-pound frame by doubling her normal caloric intake to 4,000 to 5,000 calories.

It’s well understood that exercise is integral to health, but all exercise is not created equal, and depending on numerous factors such as body type, age and fitness goals, one person’s ...

After all, many personal trainers charge clients for last-minute cancellations. Here's how to find the right online trainer for you: If you decide to opt for some form of online training ...

However, health experts say there are pros and cons associated with using AI in place of a personal ... trainers offer can’t be replicated by AI, such as hands-on guidance, corrections to form ...