Elmahdy MA, Ayad K, Metwally Abdelrahman A, Shawki Abdelsalam M. Correlation between contractile properties of quadriceps muscle and functional performance in runners with patellofemoral pain syndrome. sportk [Internet]. 2023 Oct. 8 [cited 2025 Jun. 20];12:32. Available from: https://revistas.um.es/sportk/article/view/587421