Salimov Utkirjon Shaydullaevich 2026. Age- And Sex-Specific Physical Fitness Standards Across the Lifespan in Uzbekistan: A Comparative Analysis of Normative Design and International Reference Frameworks. American Journal of Applied Science and Technology. 6, 10 (Oct. 2026), 17–28. DOI:https://doi.org/10.37547/ajast/Volume06Issue10-02.