Shaimaa Ridha Ali, “Qualifying exercises Suggested by using the stable style of Pilates and their effect in relieving the pain of knee joint stiffness”, ms, vol. 18, no. 3, pp. 233–240, Sep. 2019, Accessed: Apr. 01, 2025. [Online]. Available: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1481