The reliability, validity and sensitivity of a novel soccer-specific reactive repeated-sprint test (RRST)

European Journal of Applied Physiology
Michele Di MascioPaul S Bradley

Abstract

The aim of this study was to determine the reliability, validity and sensitivity of a reactive repeated-sprint test (RRST). Elite (n = 72) and sub-elite male (n = 87) and elite female soccer players (n = 12) completed the RRST at set times during a season. Total distance timed was 30 m and the RRST performance measure was the total time (s) across eight repetitions. Competitive match running performance was measured using GPS and high-intensity running quantified (≥ 19.8 km h(-1)). Test-retest coefficient of variation in elite U16 and sub-elite U19 players was 0.71 and 0.84 %, respectively. Elite U18 players' RRST performances were better (P < 0.01) than elite U16, sub-elite U16, U18, U19 and elite senior female players (58.25 ± 1.34 vs 59.97 ± 1.64, 61.42 ± 2.25, 61.66 ± 1.70, 61.02 ± 2.31 and 63.88 ± 1.46 s; ES 0.6-1.9). For elite U18 players, RRST performances for central defenders (59.84 ± 1.35 s) were lower (P < 0.05) than full backs (57.85 ± 0.77 s), but not attackers (58.17 ± 1.73 s) or central and wide midfielders (58.55 ± 1.08 and 58.58 ± 1.89 s; ES 0.7-1.4). Elite U16 players demonstrated lower (P < 0.01) RRST performances during the preparation period versus the start, middle and end of season periods (61.13 ± 1.53 v...Continue Reading

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Citations

Jan 19, 2018·International Journal of Sports Physiology and Performance·Paul S Bradley, Jack D Ade
Aug 15, 2019·PloS One·Stefan AltmannMichael C Rumpf
Sep 24, 2016·Journal of Strength and Conditioning Research·Fábio Y NakamuraPaul S Bradley
Mar 13, 2018·BMJ Open Sport & Exercise Medicine·Steven H DoevenKoen A P M Lemmink
Dec 15, 2020·The Journal of Sports Medicine and Physical Fitness·Cristian SavoiaVincenzo Manzi

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