Vigorous exercise involves minimal health risks for persons in good health or those following a doctor's advice. Far greater risks are presented by habitual inactivity. Physical fitness is a condition that helps us look, feel and do our best. More specifically, it s the ability to perform daily tasks vigorously and alertly, with energy left over for enjoying leisure-time activities and meeting emergency demands. It s the ability to endure, to bear up, to withstand stress, to carry on in circumstances where an unfit person could not continue, and is a major basis for good health and well-being.
Physical fitness involves the performance of the heart and lungs, and the muscles of the body.
And, since what is done with the body can affect what is done with the mind, fitness influences to some degree qualities such as mental alertness and emotional stability, according to the President's Council on Physical Fitness and Sports Fitness is an individual quality that varies from person to person. It is influenced by age, sex, heredity, personal habits, exercise and eating practices. You can't do anything about the first three factors. However, it is within your power to change and improve the others where needed. The Four Components Of Physical Fitness Physical fitness is most easily understood by examining its components.