Fatima Al-Zahraa Nafaat Abdul Karim and Intisar Kadhim Abdul Karim 2024. Kinematic analysis of the time variable and its relationship to some bio-kinematic variables and the performance of the wheel skill on the floor movements mat for gymnast players aged 7 – 9. Modern Sport. 23, 2 (Jun. 2024), 0082–0092. DOI:https://doi.org/10.54702/fb58vq86.