Knee supports, neck supports and waist supports.
Knee supports: the source describes improving local blood microcirculation, maintaining knee warmth and preventing joint problems; supporting circulation, reducing swelling and pain and supporting repair of joint tissue; relieving wind, cold and dampness, with improvements described for rheumatoid arthritis, joint effusion and varicose veins; and supporting joint flexibility and protection against injury, bone spurs and hyperplasia.
Neck supports: the source describes promoting neck circulation and relieving neck, shoulder and arm joint pain; increasing blood flow to the brain and relieving headaches and fatigue; and regulating the nervous system and improving sleep quality.
Waist supports: the source describes improving waist circulation and discomfort associated with lumbar strain and the after-effects of disc herniation; supporting kidney function and symptoms associated with kidney deficiency; supporting gastrointestinal movement and symptoms including gastroptosis, stomach pain, abdominal pain, chronic gastroenteritis and constipation; relieving dysmenorrhoea and lower-abdominal pain associated with gynaecological conditions; and reducing excess waist and abdominal fat.