An industry buzzphrase for several years, “core training” expanded to an even broader spectrum of workout styles and signature classes. “Trainers and clients have adopted the importance of a strong core because it makes you more injury-resistant and more powerful when doing all types of workouts,” says Michele Olson, Ph.D., professor of exercise physiology at Auburn University. We saw more “core” in everything from TRX workouts to stand-up paddleboarding (SUP), both of which continued to rise in popularity.
