Physical Fitness
Physical fitness is to the human body what fine tuning is to an engine. It enables us to perform up to our potential. Fitness can be described as a condition that helps us look, feel and do our best. More specifically, it is the "ability of the human body to function with vigor and alertness, without undue fatigue, and with ample energy to engage in leisure activities. (Physical)." Physical fitness involves the performance of the heart and lungs, and the muscles of the body. And, since what we do with our bodies also affects what we can do with our minds, fitness influences to some degree qualities such as mental alertness and emotional stability.Physical fitness is most easily understood by examining the four basic parts: Cardiorespiratory Endurance, muscular strength, muscular endurance and flexibility. Cardiorespiratory Endurance is the ability to deliver oxygen and nutrients to tissues and to remove wastes over sustained periods of time. Long runs and swims are among the methods employed in measuring this component. Muscular strength is the ability of a muscle to exert force for a brief period of time. Upper body strength, for example, can be measured by various weight-lifting exercises. Muscular endurance is th
Flexibility exercises help reduce the stiffness and loss of balance that accompanies aging. So over time the slower the heart rate or the more physically fit the better. Resistance training is important because it can slow and even reverse the decline in muscle mass, bone density and strength. Pushups are often used to test endurance of arm and shoulder muscles. Patience and perseverance though will result in an outcome worth waiting for. And flexibility is the ability to move joints and use muscles through their full range of motion. Other examples of conditions are Cardiovascular disease which is the leading cause of almost 6 million hospitalizations each year and more than 40% of all deaths nationwide (Physical) and something as simple and common as lower back pain. It is important to remember that fitness is an individual quality that varies from person to person. A decrease of heart rate at both rest and at fixed intensity of exercise occurs a few months after an exercise program is begun. Appropriate exercise programs can reduce the risk of these diseases and alleviate the pain associated with them. The sit and reach is a good measure of flexibility of the lower back and back of the upper legs. Simply walking regularly can prolong life in the elderly. Studies continue to show that it is never too late to start exercising and that even small improvements in physical fitness can significantly lower the risk of early death.
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