Shella Dhika Rahmawati, Aulia Ayu Kusuma W, and Lulu’ah Feby Purwanti, “The Effect of Isometric Training for the Quadriceps Femoris and Triceps Surae Muscles on the Ability to Jump Long Without Starting in Class XI MAN 1 Surakarta Students”, IJMH, vol. 2, no. 3, pp. 28–43, Dec. 2023.