Título Is strength-training frequency a key factor to develop performance adaptations in young elite soccer players?
Autores Otero-Esquina, Carlos , de Hoyo Lora, Moises , GONZALO SKOK, OLIVER, Dominguez-Cobo, Sergio , Sanchez, Hugo
Publicación externa Si
Medio EUROPEAN JOURNAL OF SPORT SCIENCE
Alcance Article
Naturaleza Científica
Cuartil JCR 2
Cuartil SJR 1
Impacto JCR 2.576
Impacto SJR 1.122
Fecha de publicacion 01/01/2017
ISI 000417488000002
DOI 10.1080/17461391.2017.1378372
Abstract The aim of this study was to analyse the effects of a combined strength-training programme (full-back squat, YoYo(TM) leg curl, plyometrics and sled towing exercises) on performance in elite young soccer players and to examine the effects when this training programme was performed one or two days per week. Thirty-six male soccer players (U-17 to U-19) were recruited and assigned to experimental groups (EXP1: 1sw(-1); EXP2: 2sw(-1)) or a control group (CON). Performance was assessed through a countermovement jump (CMJ) test (relative peak power [CMJ(PP)] and CMJ height [CMJ(H)]), a 20-m linear sprint test with split-times at 10-m, and a change of direction test (V-cut test) 1 week before starting the training programme and also 1 week after performing such training programme. Within-group analysis showed substantial improvements in CMJ variables (ES: 0.39-0.81) and COD (ES: 0.70 and 0.76) in EXP1 and EXP2, while EXP2 also showed substantial enhancements in all linear sprinting tests (ES: 0.43-0.52). Between-group analysis showed substantially greater improvements in CMJ variables (ES: 0.39-0.68) in experimental groups in comparison to CON. Furthermore, EXP2 achieved a substantial better performance in 20-m (ES: 0.48-0.64) than EXP1 and CON. Finally, EXP2 also showed greater enhancements in 10-m (ES: 0.50) and V-cut test (ES: 0.52) than EXP1. In conclusion, the combined strength-training programme improved jumping ability, independently of training frequency, though the achievement of two sessions per week also enhanced sprinting abilities (linear and COD) in young soccer players.
Palabras clave Performance; strength; team sport; training; soccer
Miembros de la Universidad Loyola

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