THE APPEAL OF CROSSFIT—A CONDITIONING program that mixes Olympic weightlifting, powerlifting, calisthenics, gymnastics, sprints, plyometrics, and a few hard-to-categorize exercises like rope climbing—is that the workouts are short, intense, and constantly changing. So they were nothing like the long, monotonous, and unsatisfying workouts I’d been doing for most of my adult life. Leer más…