Luis Branquinho^1,2, Ricardo Ferraz^1,2,3, Pedro Duarte Mendes^4,5, João Petricia^4,5, João Serrano^4,5, Mário C. Marques^1,2

¹University of Beira Interior, Department of Sport Sciences, Covilhã, Portugal
²Research Centre in Sports, Health and Human Development, Vila Real, Portugal
³Football Association of Castelo Branco, Castelo Branco, Portugal
⁴Polytechnic Institute of Castelo Branco, Department of Sport and Well Being, Castelo Branco, Portugal
⁵Polytechnic Institute of Castelo Branco, Sport, Health & Exercise Research Unit, Castelo Branco, Portugal

The Effect of an In-Season 8-Week Plyometric Training Programme Followed By a Detraining Period on Explosive Skills in Competitive Junior Soccer Players

Monten. J. Sports Sci. Med. 2020, 9(1), 33-40 | DOI: 10.26773/mjssm.200305

Abstract

The aim of this study was to examine the effect of an eight-week plyometric training and resistance programme, on different motor abilities, kicking speeds, and individual techniques in competitive junior soccer players. A training programme was applied for eight weeks and was composed of countermovement jump, countermovement onto a box, sprints, and sprints with change of direction. The players were evaluated in three moments: before the start of the training programme, after the application of the training programme, and after four weeks of detraining. The applied tests were: countermovement jump, speed dribbling, 30-meter sprint, kicking speed, and a Yo-Yo recovery intermittent recovery test Level 2 (Yo-Yo IE2). The results showed statistically significant differences (p<0.05) in sprint performance, countermovement jump, Yo-yo IE 2, and speed dribbling. The maximum velocity of the ball did not present statistically significant differences (p > 0.05). In addition, these results indicate that general performance may not be sensitive to four weeks of detraining in the trained soccer players. These results demonstrate that the combination of soccer drills and specific power training with no additional training time in-season optimizes some general and soccer-specific performance.

Keywords

explosive actions, soccer, young soccer players

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