RT Journal Article T1 Role of fitness as moderator of improvements in health-related quality of life A1 Pérez Sousa, Miguel Ángel A1 Olivares Sánchez-Toledo, Pedro Rufino A1 Carrasco Zahinos, Rocío A1 Gusi, Narcis AB Background: This study aimed to determine the effects on the quality of life (QoL) of an exercise program inobese children and detect what physical fitness components are responsible for the enhancement of the QoLMethod: One hundred twenty-one obese and overweight children were part of an exercise group (9.4 ± 2.1 yearsold) that participated in a 6-months exercise program that combined sports practice and social tasks. Forty-nineobese and overweight children were part of the control group (8.9 ± 1.8 years old). Anthropometricscharacteristics, physical fitness [handgrip, core strength, standing long jump (SLJ), agility, range of motion(ROM), and cardiorespiratory fitness (CRF)], and QoL were measured. Analysis of covariance was performed toanalyse the improvement. Moderation analysis with bootstrapping was also used to examine what improvementsin physical fitness moderators of the QoL change. Additionally, was executed the Johnson-Neyman procedure todetermine the threshold from which the improvement of physical fitness moderates the effects on QoL. Results:A significant improvement was found in VAS after the 6-months exercise program. The physical fitnessmoderators of the QoL changes were Core (B = 0.34, CI = 0.05 to 0.63, ES = 0.01), SLJ (B = 0.83, CI = -0.02 to0.03, ES = 0.8), and agility (B = 3.78, CI = 1.06 to 6.50, ES = 0.0). Conclusion: Physical exercise programsaimed at young people who are overweight and obese should focus on the development of muscle strength andagility to enhance their QoL PB Pitesti University SN 2247-8051 SN 2247-806X (electrónico) YR 2022 FD 2022-03 LK https://hdl.handle.net/10272/25112 UL https://hdl.handle.net/10272/25112 LA eng NO Pérez-Sousa, M.A., Olivares, P.R., Carrasco-Zahinos, R. & Gusi, N. (2022). Role of fitness as moderator of improvements in health-related quality of life. In Journal of Physical Education and Sport (Vol. 22, Issue 3, 621-628). Pitesti University. https://doi.org/10.7752/jpes.2022.03078 DS Repositorio Institucional de la Universidad de Huelva RD 30 may 2026