Table 1.

Eligibility criteria

Inclusion criteria
1	Age ≥ 18 years
2	Symptomatic osteoarthritis of hip or knee (following the revised criteria of the American College of Rheumatology)
3	Willingness to comply with follow-up assessments and treatment
4	Ability to understand, read and speak German
Exclusion criteria
1	Endoprothetic replacement of hip or knee joint
2	Inflammatory arthropathy of the hip or the knee
3	Acute, hot, red and swollen knee or hip joint (unknown focus)
4	Inflammatory system diseases which could interfere with the evaluation of the therapy procedure
5	CNS diseases, especially epilepsy
6	Anamnesis of deep vein thrombosis in the past 12 months
7	Severe lung disease such as e.g. COPD stages GOLD III – GOLD IV
8	Heart failure NYHA III – NYHA IV
9	Myocardial ischemia with or without intervention within the last 3 months before inpatient admission
10	Cancer in advanced stage
11	Large skin wounds or inflammatory and ulcerated dermatosis of the legs
12	Severe febrile infectious diseases Non treated hypertension
13	Participation in another clinical study within the past four weeks
14	Pregnancy