The American displayed a few pieces of bones, it is clear that at the top of the spine joints bend forward the wrong because of this and because of the nature. The information derived from the results of one study last year 2000 indicate that the average person's head is about 5 kg for heavy, we will bend forward every 2 cm will make the shoulders to bear more weight therefore, 100 percent. If I bend down to 6 cm, weight of the head and neck, spine, shoulders that must support it more and more as a 20 kg weight, it's not the size of the orchestra played. This is the reason why the bow a few times on both days to cause symptoms much the size recommendations of a doctor to prevent us victims of a roast, it is a simple TeX nekho eyes from the screen, change the port from the front stoop, leave the head back to THA nature in every 15 minutes.
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