Majkić, B, Stojanović, N, Lilić, A, and Milanović, Z. The effects of a 6-week resisted small-sided games training program on the power performance of young soccer players. J Strength Cond Res 39(7): e870-e877, 2025-Small-sided games (SSG) with additional load can improve power performance in soccer players. The purpose of this study was to determine the effects of a 6-week resisted SSG training program on power performance in young soccer players. Twenty-two under-17 top-national youth-level soccer players (age: 16.11 ± 0.41 years; height: 176.31 ± 5.71 cm; body mass: 65.16 ± 8.1 kg) were randomly allocated to a weighted vests group (WV; n = 11), which wore weighted vests of 10% of their body mass or control group (CG; n = 11) with no additional load during sessions. Subjects performed vertical jump test, sprint running test (5, 10, and 30 m), and change of direction tests (COD) (Slalom, t test, and 4 × 5 m). The 6-week experimental program, implemented into regular sessions, included 2 additional SSGs per week and consisted of 3 sets lasting 3 minutes with 3-minute rest intervals. The players were divided into 2 teams of 5 and 2 of 6 players, each consisting of a mix of players from WV and CG, and performed SSG on the field area corresponding to 75 m 2 per player. Results revealed an improvement for WV in jump height by 7.34% (ES = 1.79) and in Peak Power (PP) by 4.40%. Significant interaction effects were observed in the Slalom and 4 × 5 m tests, and there was a distinction for 5 and 30 m sprints but with no statistically significant interaction effects. It is concluded that implementing resisted SSGs during the preparatory period can enhance jump height, PP, COD, and 5 m sprint time in young soccer players.

Faculty of Sport and Physical Education University of Niš Niš Serbia

Faculty of Sports Studies Masaryk University Brno Czech Republic

Science and Research Center Koper Koper Slovenia

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