Sport

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Sport is organised on a particular system of exercise in the form of competitions and systematic training to them with the expressed desire to achieve the best results. Sport is one of the main means of versatile physical development, health promotion and training of the Soviet youth to work and to defend the homeland.
Along with the physical improvement of sports, held in wrestling or in difficult natural conditions, promote cultivation of moral and psychological qualities - exposure, resourcefulness, courage, determination, feelings of camaraderie and other
The positive impact of sport on the body is determined by the overall favorable impact systematic physical exercise (see Physical culture). However, due to high emotionality, increased mental and physical exertion sports activities affect the body is much stronger than regular exercise.
Systematic exercises have a positive effect on physical development. Under their influence increases bone strength, growing volume of skeletal muscles, improves their nutrition. As a result of improving the functional state of the nervous system and functions analyzers (motor, visual, vestibular and others) movement in athletes become rapid, accurate and coordinated. Sport promotes the formation of new and improvement of existing motor skills, automation well mastered movements. Sports, in particular, helps in the absorption of skills and managing today's complex machines and mechanisms. Due to the increased muscular work happen large adaptive changes in the organs of respiration and circulation. Develop respiratory muscles, breathing becomes deeper and rare (at rest up to 8-10 in 1 minute), the lung capacity is increased to 6-8 l; pulmonary ventilation may be at high voltages up to 100-130 l in 1 minute, it is possible the absorption of oxygen to 5-6 liters in 1 minute. Improving contractile ability of the myocardium; pulse rate at rest is reduced to 40-45 strikes in 1 minute. Often develops working hypertrophy of the heart muscle with a rich network of capillaries, the so-called "athlete's heart", which has a high efficiency; stroke volume of the heart comes to 200 ml, minute - to 50 l or more. Improves nerve and humoral regulation. The body is working more economical and capable of long-term endure physical tension. At the same time sport strengthens health, contributes to hardening of the organism, increases its resistance to diseases.
Effects on the body in different kinds of sports most of all depend on the nature of prevailing in their muscular work, its intensity, duration and degree of the participation of individual groups of skeletal muscles. This is related to the characteristic changes in the organism under the influence of separate kinds of sport and predominant development of physical qualities - speed, strength, agility and endurance.

Brief hygienic characteristics of the most common types of sports.
Boxing
Wrestling
Cycling
Gymnastics sports
Boating
Skating
athletics
Skiing
Swimming
weightlifting

The full impact of sport on health, and good results can be achieved only if certain rules for physical exercises and sports. The main one is the need for compliance sports age and sex characteristics of the organism, the health of the student.

Below the famous Soviet scientists - E. Chazov and others speak of physical training as an effective tool for health and vitality of man. Practical advice on how to organize the recreation in the fresh air in the winter, prepare for the ski walks, skating, sledding, how to behave in the cold days for a walk, etc.

  • Academician Evgeny Chazov: "we Have to move!"
  • Yu. Makarenko, doctor of medical Sciences Disease № 1"
  • Academician Vladimir Zuev: "Without skis, without running't live"