Look up fitness in Wiktionary, the free dictionary.

Fitness may mean: The state of being physically active on a regular basis to maintain good physical condition.

• Physical fitness, a general state of good health, usually as a result of exercise and nutrition
• Cardiorespiratory fitness
• Fitness approximation, model of the fitness function to choose smart search steps in Evolutionary algorithms including GA.
• Fitness and figure competition, a form of physique training, related to bodybuilding.
• In mathematics and computer science, the degree to which a given solution is optimized; see optimization (mathematics) or Fitness function
• Fitness (biology), an individual's ability to propagate its genes.
• FitNesse, a web server, a wiki, and a software testing tool.
• Fitness (magazine), a women's magazine, focusing on health and exercise.

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