Результаты (
английский) 2:
[копия]Скопировано!
First, strengthen the cardiovascular and respiratory systems. In our time, constant stress and increasing every year mortality due to heart attacks and strokes, this factor I put in the first place. Our cardiovascular system has enormous physiological reserve. She is able to strengthen and train on a par with muscles, bones and other organs. Cardiac muscle in this regard is no different from other muscles. But since this is the most important muscle in our body, and then to her training must be approached with extreme caution.
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