RT journal article T1 Effects of pitch size and set configuration on mechanical responses and fatigue induced by different small-sided games in soccer T2 Efectos del tamaño de juego y la configuración de la serie sobre las respuestas mecánicas y fatiga inducida por diferentes juegos reducidos en fútbol A1 Hidalgo-De Mora, Javier A1 Cornejo-Daza, Pedro Jesús A1 Sánchez-Valdepeñas, Juan A1 Rodiles-Guerrero, Luis A1 Riscart López, Javier A1 Campos Vázquez, Miguel Ángel A1 Pareja-Blanco, Fernando A2 Didáctica de la Educación FísicaPlástica y Musical K1 Bout duration K1 external load K1 physical performance K1 relative area K1 residual fatigue K1 team sports K1 Duración de la serie K1 carga externa K1 área relativa K1 fatiga residual K1 rendimiento físico K1 deportes de equipo AB Introduction: Physical match actions are simulated through modified games. Pitch size and set configuration seems to influence the physical responses during small-sided games. Objective: The aim of the present study is to analyze the effects of pitch size and set configuration during small-sided games. Methodology: Fourteen young male field soccer players performed three small-sided games, involving 7 vs. 7 + 2 goalkeepers: 3 x 8 min with 5 min of rest between sets on a 68 x 40 m pitch (194 m2); same pitch area but 6 x 4 min with 2 min of rest (194 m2); and 6 x 4 min with 2 min of rest on a 40 x 34 m pitch (97 m2). Vertical jump, kick velocity and sprint were assessed to examine the residual fatigue before and after each small-sided game. Results: Larger pitch sizes showed significantly higher physical demands. Shorter bouts demanded greater distances at high intensity than longer bouts. A significant SSG x time interaction was observed for 10-m sprint time (P = 0.04), where a greater impairment was observed after completing 6 x 4 min (194 m2). Discussion: Higher external loads have been observed during games on larger pitches. A 4 min bout was provided as the optimal physical training stimulus. Conclusions: Larger pitch sizes and shorter bout durations are higher-demand games than smaller pitch sizes and longer bouts. Sprint performance is impaired after completing every small-sided game, especially acceleration capacity after completing modified games involving larger pitch areas and shorter bout durations. PB Federación Española de Docentes de Educación Física SN 1579-1726 YR 2025 FD 2025 LK http://hdl.handle.net/10498/36405 UL http://hdl.handle.net/10498/36405 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 11-nov-2026