Firas Farkked Atta and Hassan Hadi Atya (2024) “The Effect of Dynamic Stretching Exercises Using a Device Designed to Improve Flexibility After Artificial Knee Joint Replacement Surgery in a Sample of Males Aged (45-55) Years”, Mustansiriyah Journal of Sports Science. العراق, 3(4), pp. 60–67. doi: 10.62540/mjss.2021.03.04.07.