Crossfit: CrossFit is a fitness regimen developed by Greg Glassman over several years ago. Composed of Increased work capacity across broad time and modal domains. He then created a program specifically designed to improve fitness and health. It is promoted as both a physical exercise philosophy and also as a competitive fitness sport, CrossFit workouts incorporate elements from high-intensity interval training, Olympic weight lifting, plyometrics, powerlifting, gymnastics, girevoy sport, calisthenics, strongman, and other exercises. It is practiced by members of over 13,000 affiliated gyms, roughly half of which are located in the United States and by individuals who complete daily workouts known as “WODs” or “workouts of the day.” It is constantly being varied with functional movements performed at a high intensity. All workouts are based on functional movements. These movements reflect gymnastics, weightlifting, running, rowing etc… Moving larges loads over long distances, which makes this type of workout ideal for maximizing the amount of work done in the shortest time. Intensity is an essential component for results. This is measurable as work divided by time and or power. The more work you do in less time, or the higher the power output, the more intense the effort. Trainers constantly vary the approaches when training which leads to dramatic gains in fitness.