major referencePhysical fitness is a general concept and is defined in many ways by different scientists. Physical fitness is discussed here in two major categories: health-related physical fitness and motor-performance physical fitness. Despite some overlap between these classifications, there are major differences, as described below.
prevention of diseaseThe term physical fitness, although frequently used, is also exceedingly difficult to define. In general it refers to the state of optimal maintenance of muscular strength, proper function of the internal organs, and youthful vigour. The champion athlete prepared to cope not only with the commonplace stresses of life but also with the unusual illustrates the concept of physical fitness. To be...
relationship to healthMoreover, physical condition and health are not synonymous terms. A seven-foot-tall basketball player may be in excellent physical condition (although outside the range of normality for height) but may or may not be in good health—depending, for example, on whether or not he has fallen victim to an attack of influenza.
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