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To sit it is necessary on sciatic bones. And not simply to sit, and to balance on these bones. In an ideal the back should not lean{base} on спинку a chair, is especial if спинка not vertical. Low armchairs with "позвоночной" the points of view in general very harmful. The flat seat of a chair should be shorter than a hip that the edge{territory} of a chair did not press on an artery under коленями. The height from a seat up to a floor should бытьтакой that hips settled down in parallel a floor. It is not necessary to put a leg{foot} on a leg{foot}. Подробнее...
Stops are extremely useful for stop circulation barefoot on a grass, sand, a large or fine pebble, use massage ковриков, foot массажеров and simply manual massage. (Frequently recommend such exercise: to fill in the big box dry peas in one layer and to walk around it{him} of 3-5 minutes. It is very useful to go in massage тапках or on a massage carpet. Подробнее...