CrossFit, first and foremost, is a high-intensity strength and conditioning program aimed at producing a superior, balanced fitness  It is also a philosophy and a way of life.  It is a philosophy that hard work and the use of natural human movements such as rowing, running, lifting heavy objects, throwing, swinging, climbing and jumping will produce the best possible fitness in a person.  It is a philosophy that prepares you for the unknown and unknowable aspects of everyday life and creates a balanced fitness across a number of different areas such as strength, power, flexibility, endurance, and body composition.