A modality that began in Vietnam and later incorporate into medical practice across Asia and the world, in the home and in health clinics, Gua Sha means to literally "scrape away heat". It is the application of oil to the skin and subsequent "scraping" over the fascia using a round edged tool such as a porcelain spoon, or a special crafted piece of green jade, ox horn, plastic resin, or shark bone. The rubbing of the fascia with these tools is useful in relieving pain and improving circulation to specific areas of the body that are stressed, releasing toxins, myofascial tension, and build up of lymphatic fluids. There will be a red, raised rash after the treatment that will dissipate after a few days. It is important to keep the treated areas covered and protected following treatment, minimizing exposure to cold, wind, or dampness. Remember to wear proper clothing over the areas for a few days.
Gua Sha treats:
Stiff or tight muscles
Body aches and pains
An interesting article by Pacific College of Acupuncture: