Muscular Strength - It is the amount of force that a muscle can produce. The push up test is one of the most common tests used to examine the muscular strength. Muscular Endurance - It is generally defined as the capacity of the muscles to perform a task uninterrupted without fatiguing. Cycling and elliptical machines are few exercises that can be very effective for measuring the muscular endurance. Flexibility - It is an ability to move the joints or any group of joints through normal range of motion. The fact is the more flexible body one have the more physical fitness he or she can enjoy. The sit and reach test is most often used to test flexibility. Body composition - It can be defined as the percentage of body fat an individual has in contrast to his or her total body mass. This can be easily calculated by using underwater weighing or by bioelectrical impedance. These five major physical fitness components actually represents how healthy and fit the body is as a whole. And, so when a person undergoes through different battery of tests, he or she receive information on the specific areas that he/she may require to work in. Therefore, it always advisable to take care of each of the above mentioned components of fitness as it can have a positive impact on body composition and may result in extra body fat loss and a great physically fit body.