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…

The physical fitness can be achieved in three phases i.e. Preparatory, Conditioning, and maintenance phase. Each phase is a step towards a higher fitness level. The starting phase for units or individuals will vary, depending upon physical conditioning, previous routine and age. Young, healthy men may be able to start with the conditioning phase; those who have been exercise regularly may already be in the maintenance phase.However, those who have been sedentary, especially if the age of the individual is over 40 years he should start with the preparatory phase.

Preparatory Phase.This phase conditions both the cardio-respiratory system and the muscular system so that they become accustomed to exercise and can…