Shousha, T. M., Abo-Zaid, N. A., Hamada, H. A., Abdelsamee, M. Y. A., & Behiry, M. A. (2021). The effect of smartphone use on neck flexion angle and hand grip power among adolescents: Cross-sectional study. Journal of Human Sport and Exercise, 16(3proc), S883-S891. https://doi.org/10.14198/jhse.2021.16.Proc3.05