[Lifestyle] Fitness Items

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Definition of physical fitness

Maintaining a good percentage of physical fitness is desirable by everyone, but it can be difficult to determine the basics of fitness, and the components that make up it. According to the Department of Health and Human Services in the United States of America, physical fitness has been defined as a set of characteristics that it has People or achieving them, which can be linked with a person's ability to perform physical activities, and therefore the definition goes beyond the ability to run fast or lift heavy weights, despite the importance of these two matters, but they can be based on one element of physical fitness, and so it will speak The article is about the elements of fitness in detail with a list of the best ways to increase each of these components

Fitness Items

The fact that a person maintains fitness means in one way or another his ability to cover the various elements related to fitness, and this matter means that he remains on the right path in terms of general physical health, because physical fitness can be associated with many other aspects of health, including the elements of fitness Physical fitness has five main components: the fitness of the cardiac and respiratory systems. Muscular strength. Muscle endurance. Body composition. Flexibility. When mentioning the elements of physical fitness, it can be indicated some quick points regarding the relationship of fitness to general health, and some points related to fitness: Maintaining physical fitness can help in the prevention of many diseases. The physical shape of the body can change with exercise without changing the weight. Depending on the type of exercise they do, some changes may be seen in the heart muscle of athletes. Muscle strength increases with the growth and tissue of muscle fibers, and with some nerve changes. Stretching and lengthening the muscles to increase their flexibility can relieve the severity of some medical problems.

Adaptation of the respiratory system and heart to exercise

The heart improves its effectiveness after continuous training, and the heart can change from one sport to another according to the exercises that are conducted periodically, but all exercise increases the total size of the heart muscle, but there are some differences between the athletes who rely mainly on endurance and the athletes who need Mainly for muscular strength, the first pattern shows the enlargement of the heart with the expansion of both the left and right ventricles, while the other pattern shows the enlargement of the heart wall, especially the left ventricular wall. While the heart muscle strengthens over time, the respiratory system does not make the same degree of changes, the respiratory function of the lungs does not change significantly, but inhaled oxygen can be used more effectively, and exercises allow the body to be effective in doing them over time, and this improvement It increases muscle endurance and endurance of the heart and respiratory system and others, thus increasing the general health in the body and the integration of fitness elements, and the American University of Sports Medicine recommends practicing aerobic exercises 3 to 5 times a week, for a period of 30 - 60 minutes, with an intensity that keeps the heart muscle at a rate of 65 % To 85% of maximum heart rate