“Constantly varied, high-intensity, functional movement.”
CrossFit is a core strength and conditioning program. The program is designed to elicit as broad an adaptational response as possible.

CrossFit is the principal strength and conditioning program for many police academies and tactical operations teams, military special operations units, champion martial artists, and hundreds of other elite and professional athletes worldwide.
Our program delivers a fitness that is, by design, broad, general, and inclusive. Our specialty is not specializing. Combat, survival, many sports, and life reward this kind of fitness and, on average, punish the specialist.

We define this fitness as increased work capacity across broad time and modal domains. What this means is that you have functional capacity in all different types of movements at a variety of durations of effort. If you are increasing this broad work capacity, you will be competent at both short bursts of activity and extended longer workouts.

CrossFit makes use of three different standards or models for evaluating and guiding fitness. Collectively, these three standards define the CrossFit view of fitness.
The first is based on the ten general physical skills widely recognized by exercise physiologists.
The second standard, or model, is based on the performance of athletic tasks.
The third is based on the energy systems that drive all human action.

The idea is for all these operations to work together in order to optimize human performance…