Taha Yousef Zankana, A. and Yaseen Mohammwd ALtekrety, W. 2023. Constructing a model for the motor trajectory of the weight in the back squat lift. College of Basic Education Research Journal. 19, 21 (Aug. 2023), 366–388. DOI:https://doi.org/10.33899/berj.2023.180014.