WHEN Gabrielle Lyon, DO, was 5 years old, her father would take her on 10-mile bike rides. Physical activity wasn't a question, she says—it was part of her day-to-day life from a very young age. As a ...

Looking to build muscle but feeling overwhelmed by conflicting advice? We got two top trainers to break down exactly how to structure your weekly workouts for maximum gains. Whether you’re a gym ...

There’s a common misconception that pumping iron is exclusively for adults. But research has shown that children also get ...

An analysis of MRI scans using artificial intelligence resulted in the production of a reference growth standard and a fast, reproducible way to measure indicators of lean muscle mass in developing ...