операция замена сустава

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...

To this day the person is compelled to pay off with the nature with pains and illnesses of a backbone for the прямохождение. Japanese in general assert{approve}, that a normal backbone of all at... 0,1 percent{interests} of the population of a planet! Подробнее...