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Ischemic heart disease

It is well known that physical activity prevents the development of atherosclerosis [lang, F., 1962), Kipshidze N. N., 1968, and others]. It is also known that people with physical labor, consequently, the athletes of the coronary artery are more collaterals and infarction better supplied with blood that is not conducive to the development of myocardial infarction [Myasnikov, A. L., 1960]. You should think that physical activity, increasing energy processes, creates conditions for a more complete assimilation of lipids and their decay to the final product. All this hinders the development of hyperlipemia and atherosclerosis [Mnuhin that, 1955; Kipshidze N. N., 1958, and others].
D. L. Glubokov and A. I. Ilyin (1975), comparing the main parameters characterizing lipid metabolism in athletes and persons not involved in sports, the same age, have clearly shown a beneficial influence of sports on lipid metabolism.
Similar data lead S. P. Flyers (1962), Yu. M. Udalov (1978) R. Dressendorfer (1979). N. Weiker (1980) and mn. others However, a number of authors [Lown, Blackborn, 1977, etc.] believe that to talk about the impact it with caution. After analyzing a large number of works devoted to this question, they concluded that really exercise can relieve some of the risk factors of CHD that physically active people are less prone to heart attack and death rates have fewer that there is an inverse relationship between coronary artery disease and physical activity. However, according to these authors, all such works suffer from serious shortcomings. In particular, it is difficult to estimate the so-called habitual physical activity, low gradient of physical activity in the examined populations , etc., In the works dedicated to the postmortem data (few of them), there is no convincing evidence of a significant reduction in severity of atherosclerosis in the coronary arteries, although it was found more lumen of the coronary arteries, less clogged arteries and less severe ischemic myocardial damage. R. Milvy et al. (1977) also believe that there is no convincing data about specific causal relationship between physical activity and coronary heart disease. They note that persons engaged in physical training and sports, are Samoobrona group that is not representative in the study of the causal relationship between coronary artery disease and physical activity.
There is no doubt that lack of physical activity can not be considered as the only reason of growth of diseases of cardiovascular system and exercise is not a cure for these diseases [Gavrilov A. Yu., Sosnin I. M., 1988].
However, one can hardly deny the beneficial effects of physical activity on delay the development of atherosclerosis, and exercise should be used widely as primary prevention of atherosclerosis and as secondary prevention to prevent the development of disease. However, the beneficial effects of exercise is manifested only in case when physical activity within the capacity of a person performs it, i.e. not excessive, and studies are carried out rationally, without overloading. Excessive exercise creates conditions for formation of a relative deficiency of myocardial metabolism, namely its hypoxia, the violation of the ratio of electrolytes, depletion of enzyme systems, and so on, that becomes a risk factor of atherosclerosis and an increased risk of myocardial infarction as it facilitates the development of necrosis of the myocardium [Myasnikov, A. L., 1960]. It should be borne in mind that the final effect of physical lesions reached when there is a growth of physical performance, i.e. when the exercise is developing character [Gavrilov A. Yu., Sosnin I. M., 1988].
Communication coronary violations of the exercise now beyond doubt. In 25-30 % of all patients with myocardial infarction major role in its development plays a physical strain. Of particular importance in the occurrence of myocardial infarction physical stress is when there is some degree of coronary atherosclerosis.