Osteoarthritis or rheumatoid arthritis treatment may involve electrical modalities e . g . short wave diathermy , interferential and ultrasound , traction , mobilization , manipulation , ice and hot treatment and some special exercises 電療如交錯干擾中波電療和高壓間動電療,熱療如短波電療及熱敷等超聲波電療牽引療法俗稱拉腰拉頸手力治療水療冰療,運動及預防方法。