This paper summarizes scientific knowledge on the rationale for human motor activity. A sedentary lifestyle (insufficient physical activity), improper diet, excess information and nervous-emotional overexertion have drastically changed the environment of modern man, which has had a negative impact on his health. It is known that physical activity is the most reliable way to preserve and maintain health and ability to work at the proper level for many years. Also we will consider one of the most accessible type of motor activity for all year round outdoor exercise. Nordic walking - walking with special sticks, as a means of mass public health.
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