Tuina (literally, press - tui 推 - and grab -na 拿 -) is the set of Chinese traditional manual techniques. Is one of the three main branches of Traditional Chinese Medicine (TCM - zhong yi 中醫), with which it shares the theoretical and philosophical references. Using the principles of Taoism and martial arts, it try to bring the eight principles of Traditional Chinese Medicine (yn-yang 陰陽; surface or internal li bao 表裡; cold or hot - han re 寒熱; poor or abundant - xu shi 虛實) in balance.
Tuina uses a series of technical manuals (which push tui, pinzettare na, press na, massage, rub, tap, shake, etc.) that regulate yin and yang, circulate qi, act on the energy channels (meridians - jingluo 經絡) and on the "organs" (zangfu 臟腑).
Their function consists of preventive action in order to maintain mental and physical health or in stimulating in the organism a process of recovery of the state of physiological well-being in case of disturbances and imbalances of energy.