Physical Function and Quality of Life and Modification of Authentic Islamic Prayer Procedure by Osteoarthritis Knee Patients in Saudi Arabia: A Cross-sectional Study.

Physical activity and quality of life of older people decline as age increases and with associated chronic diseases. The quality of life of patients was assessed using generic measures in Saudi Arabian patients. The objective of this cross-sectional study was to evaluate the quality of life among Osteoarthritis knee patients who have modified their lifestyle and adapted to chair usage to offer prayers using disease-specific knee measures.