Also known as twei na. The therapeutic bodywork system of China, which is considered to be of a higher level than ordinary Chinese massage (known as ammo). Included within its therapeutic interventions are acupressure, bone setting, and joint and vertebral manipulations, along with deep tissue myofascial, craniosacral, tendon and ligament work, and internal organ/gland realignment and rebalancing. When combined therapeutically with chi gung, it is called chi gung tui na.