Sprint conditioning of junior soccer players: effects of training intensity and technique supervision

PloS One
Thomas HaugenStephen Seiler

Abstract

The aims of the present study were to compare the effects of 1) training at 90 and 100% sprint velocity and 2) supervised versus unsupervised sprint training on soccer-specific physical performance in junior soccer players. Young, male soccer players (17 ± 1 yr, 71 ± 10 kg, 180 ± 6 cm) were randomly assigned to four different treatment conditions over a 7-week intervention period. A control group (CON, n = 9) completed regular soccer training according to their teams' original training plans. Three training groups performed a weekly repeated-sprint training session in addition to their regular soccer training sessions performed at A) 100% intensity without supervision (100UNSUP, n = 13), B) 90% of maximal sprint velocity with supervision (90SUP, n = 10) or C) 90% of maximal sprint velocity without supervision (90UNSUP, n=13). Repetitions x distance for the sprint-training sessions were 15 x 20 m for 100UNSUP and 30 x 20 m for 90SUP and 90UNSUP. Single-sprint performance (best time from 15 x 20 m sprints), repeated-sprint performance (mean time over 15 x 20 m sprints), countermovement jump and Yo-Yo Intermittent Recovery Level 1 (Yo-Yo IR1) were assessed during pre-training and post-training tests. No significant differences in ...Continue Reading

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Citations

May 10, 2018·Journal of Sports Sciences·Elvir RakovicThomas Haugen
May 24, 2018·Scandinavian Journal of Medicine & Science in Sports·D J Ramos-CampoJ Á Rubio
Nov 10, 2018·European Journal of Sport Science·Pedro Jiménez-ReyesJean-Benoît Morin
Sep 14, 2017·Journal of Strength and Conditioning Research·Anderson S TeixeiraLuiz Guilherme A Guglielmo
Dec 15, 2015·Sports Medicine·Thomas Haugen, Martin Buchheit
Sep 24, 2016·Journal of Strength and Conditioning Research·Fábio Y NakamuraPaul S Bradley
Oct 3, 2018·Journal of Strength and Conditioning Research·Thomas A HaugenPierre Samozino
Sep 14, 2017·Journal of Strength and Conditioning Research·Javier Sanchez-SanchezFábio Y Nakamura

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Software Mentioned

SPSS
90SUP
ProSuite

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