Celia Duff, 70, was always a casual exerciser but started doing intense fitness competitions three years ago.

The ’70s brought American exercise into the modern era. Here are five workouts that changed the game. By Danielle Friedman The writer has spent the last eight years researching the history of ...

If so, here are answers to some questions you may have: What exactly is Pilates? Pilates is a system of exercises using specialized apparatus developed by gymnast, bodybuilder, boxer and self ...