Hadeel Talib Mohammed, Suhad Qassim Saeed. The effect of physical exertion training using a vertimax device in developing the characteristic strength with speed and the skill of shooting by jumping in front - high with the hand ball for youth. ms [Internet]. 2021 Mar. 30 [cited 2024 May 2];20(1):0158-67. Available from: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/683