First, what is fitness? Fitness is a concept that we encounter almost daily in today’s society, yet the meaning is rarely defined. Fitness has different definitions based on who you ask. Greatly simplified, CrossFit defines fitness by three standards. The first is competency in each of the ten defined fitness domains (cardiovascular/respiratory endurance, stamina, strength, speed, flexibility, power, coordination, agility, balance, and accuracy). A fitness program is only effective to the extent that it develops these skills. The second standard by which CrossFit defines fitness is the ability to perform well at any random physical challenge that one may face. This requires a fitness program to be both broad and constantly varied in all aspects of training. The third standard deals with the different levels of metabolic conditioning or cardio. To achieve optimal fitness, one must be able to perform well in the short, medium, and long duration of metabolic output.
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