Components of Physical Fitness

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In order to be physically fit it is imperative to know fully about the components of our body that happens to contribute towards better health. Such knowledge makes us exercise much better. Keeping this in view, let us study regarding components of physical fitness.


Body Composition. A body has two major elements i.e. body mass (muscle, bone, organ and tissues) and body fat. Everybody has some body fat stored which is used as reserve energy during long hours of work. Some individuals carry too much of body fat which limits their physical performance and contributes to heart and blood vessel ailments (BP). Soldiers should retain a high degree of muscle mass and a low percentage of body fat. The earlier mentioned four components have an impact on body composition. An important factor in body composition is weight control.

Muscular Strength. The ability of a muscle to exert force for a brief period of time is called muscular strengths. Upper body strength, for example, can be measured by various weight lifting exercises.

Muscular Endurance. The ability of a muscle, or a group of muscles, to sustain repeated contractions or to continue applying force against a fixed object. Push ups are often used to test endurance of arm and shoulder muscles.

Aerobics. It is the ability to deliver oxygen and nutrients to tissue and to remove wastes, over sustained periods of time. It depends upon the combined efficiency of the heart, lungs and blood vessels. Long runs are among the methods employed in measuring this component. The greater ones aerobic fitness, the more muscular exertion one can perform.

Flexibility. It is the ability to move joints and use muscles through their full range of motion. The sit and reach test is good measure of flexibility of lower back and backs of the upper legs.

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