Jeruc Tanšek, Monika, Andrej Švent, and Alan Kacin. “Effects of Inspiratory Muscle Training on Physical Performance During Backpack Carrying”. Annales Kinesiologiae 13, no. 1 (December 30, 2022): 5–21. Accessed May 4, 2024. http://ojs.zrs-kp.si/index.php/AK/article/view/335.