The Effectiveness Of Dynamic Stretching And Nordic Hamstring Exercises To Increase Hamstring Muscle Flexibility In FIA UB Futsal Club Players. JKF [Internet]. 2024 Apr. 30 [cited 2025 Jul. 1];6(2):288-95. Available from: https://ejournal.medistra.ac.id/index.php/JKF/article/view/2070