In terms of shape, it is best to be square, but the corners must be smooth and not sharp. The scraping board with this shape is easy to handle when in use, and it is convenient to show different techniques. The scraper needs to be moderately thick, not too thin.
When people are deficient in qi and blood, the function of zang-fu organs is weakened, metabolites are retained, immune function is abnormal, inflammation and connective tissue diseases occur, which will cause microcirculation disorder and accumulation of metabolites. When scraping, the downward pressure of the scraper will make the blood containing toxins leak from the capillary wall with disordered permeability, forming subcutaneous "scraping". A small amount of rash will not only cause tissue damage, but also improve local microcirculation.
Extended data:
Master the correct scraping skills, and scraping is painless;
1. The person who is scraped should choose a comfortable position and relax the muscles in the scraping area;
2. The included angle between the scraper and the scraping direction should be less than 45 degrees. The smaller the scraping angle, the slower the speed and the lighter the pain;
3, avoid hard pressure, be soft and strong;
4. When scraping, not all wrist forces are used, and elbow joints and shoulder joints can be used as force points when necessary;
5. A variety of scraping techniques and methods should be used in combination;
6, avoid scratching in the same part for many times;
7. Each scraping time shall not exceed 30 minutes.
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