Researches in recent decades show that rehabilitation has a significant effect on the improvement of knee complications. Therefore, the aim of this study was to review the effect of various exercise protocols and the use of support tools on transitional movements’ mechanics in the older adults with knee osteoarthritis between the years of 2003-2023. The current study was a library and systematic review. The search for articles in Persian and English was from the beginning of 2003 to the beginning of march 2023, wich was done in the citation database of Wos, SID, Magiran, Scopus, ISC, PubMed and google scholar. 63 related articles were selected based on inclusion and exclusion criteria. The results of one article showed no improvement in pain after performing Pilates exercise protocols. Also, one of the articles showed that training on land and water does not have a significant effect on improving balance in people with osteoarthritis. The results of two researches about taping showed a reduction in pain in patients with knee osteoarthritis. A review of 7 articles on different types of orthoses showed pain reduction in knee osteoarthritis patients. Also, the study of 3 articles showed that physical activity for patients with knee osteoarthritis with low intensity can improve the pain and symptoms related to knee osteoarthritis. The results show that rehabilitation exercises and continuous use of support tools reduce pain and improve transitional movements’ mechanics in individiuals with knee osteoarthritis.