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. 2018 Nov;36(21):2405-2411.
doi: 10.1080/02640414.2018.1459151. Epub 2018 Apr 3.

The effects of maturation on jumping ability and sprint adaptations to plyometric training in youth soccer players

Abbas Asadi  1 , Rodrigo Ramirez-Campillo  2   3 , Hamid Arazi  4 , Eduardo Sáez de Villarreal  5
Affiliations

The effects of maturation on jumping ability and sprint adaptations to plyometric training in youth soccer players

Abbas Asadi et al. J Sports Sci. 2018 Nov.

Abstract

The aim of this study was to investigate the effects of maturation on power and sprint performance adaptations following 6 weeks of plyometric training in youth soccer players during pre-season. Sixty male soccer players were categorized into 3 maturity groups (Pre, Mid and Post peak height velocity [PHV]) and then randomly assigned to plyometric group and control group. Vertical jump, standing long jump, and 20-m sprint (with and without ball) tests were collected before- and after-intervention. After the intervention, the Pre, Mid and Post-PHV groups showed significant (P ≤ 0.05) and small to moderate effect size (ES) improvement in vertical jump (ES = 0.48; 0.57; 0.73), peak power output (E = 0.60; 0.64; 0.76), standing long jump (ES = 0.62; 0.65; 0.7), 20-m sprint (ES = -0.58; -0.66), and 20-m sprint with ball (ES = -0.44; -0.8; -0.55) performances. The Post-PHV soccer players indicated greater gains than Pre-PHV in vertical jump and sprint performance after training (P ≤ 0.05). Short-term plyometric training had positive effects on sprinting and jumping-power which are important determinants of match-winning actions in soccer. These results indicate that a sixty foot contact, twice per week program, seems effective in improving power and sprint performance in youth soccer players.

Keywords: Stretch-shortening cycle; acceleration; football; peak height velocity; strength training.

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