the woman is warming up in the park Why do muscles need rest after exercise? When does performance diagnostics make sense and how often can you challenge your body? What beginners and advanced users should know about regular exercise. Movement is a basic principle of human life - because our organism never comes to rest. Even when we sleep, the heart beats around 70 times every minute, the diaphragm rises and falls twelve to 15 times, and blood flows through our veins at more than four meters per second. During exercise, these number of strokes multiply, and then it becomes obvious that evolution has equipped us with an extremely durable body. However, this high-performance system has one disadvantage: it only works in the long term if it is repeatedly required. But in industrialized nations people have become sluggish - they save energy wherever they can. 100 years ago, a resident of the western world walked more than ten kilometers a day; now the distance covered is between 400 and 7...
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