Azab M, El Kailani G, Abdel Fattah O, Alhasasneh AA, Atiyat K. The effect of smartphone use in different body positions on upper limb kinematic variables. sportk [Internet]. 2025 Nov. 6 [cited 2026 Mar. 13];14:111. Available from: https://revistas.um.es/sportk/article/view/577851