Hidayat T, Sudarsono A, Trioclarise R. THE EFFECT OF ECCENTRIC HAMSTRING EXERCISE ON INCREASING RUN SPEED IN FOOTBALL PLAYERS (Study of literature). JFKI [Internet]. 26Apr.2022 [cited 22Nov.2024];2(1):13-. Available from: https://ifi-bekasi.e-journal.id/jfki/article/view/87