Rheumatoid arthritis is the inflammatory disease of web, which causes progressive inflammation of joints. Rheumatoid arthritis is on the top according to the number of patients who become invalids. The growing number of invalids in Lithuania becomes not only medical problem, but social problem as well. Everything is done to quell the activity of pathological process, its progression and to return and maintain the functions of moving device of the body with the help of prophylaxis, therapy and rehabilitation. The perfect program of treatment is often created for a year or longer period of time to reach good results. Different methods of treatment and their consistency let to reach better results. Physiotherapy is one of the treatments of rheumatoid arthritis, blocking the progress of the disease. The aim of the research – to estimate the effect of physiotherapy on arm functions of patients with rheumatoid arthritis. The goals of the research: to estimate the state of health of investigative and control groups of people with rheumatoid arthritis according to Keitel indicators before and after physiotherapy; to estimate the force of hand muscles of people with rheumatoid arthritis before and after physiotherapy; to estimate the effect of physiotherapy on the pain of hand joints of people with rheumatoid arthritis; to estimate the mobility of hand joints of people with rheumatoid arthritis before and after physiotherapy. 40 patients (5 men and 35 women) with the average age 57.6... [to full text]