Assessment of Overall Muscle Strength in Children and Adolescents Using Handheld Dynamometry: A Systematic Review of Reference Values and Quality of Data. - Karagianni, Eleni; Antoniou, Varsamo; Dimitriadis, Zacharias; Panagiotakos, Demosthenes; Cordovil, Rita; Pepera, Garyfallia (Journal of Clinical Medicine, 2025)