Stochastic ordering of simulated rugby match activity produces reliable movements and associated measures of subjective task load, cognitive and neuromuscular function
AffiliationUniversity of Chester
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AbstractThe study assesses the test–retest reliability of movement and physiological measures during a simulated rugby match that employed activities performed in a stochastic order. Twenty male rugby players (21.4 ± 2.1 y) completed two trials of a 2 × 23 min rugby movement simulation protocol during which the order of events was performed in a stochastic order, with 7–10 days between trials. Movement characteristics, heart rate (HR), RPE, maximum voluntary contraction (MVC), voluntary activation (VA%) of the quadriceps, Stroop test and subjective task load rating (NASA-TLX) were measured. The most reliable measures of external load was relative distance (typical error [TE] and CV% = 1.5–1.6 m min−1 and 1.4–1.5%, respectively), with all other movement characteristics possessing a CV% <5%. The most reliable measure of internal load, neuromuscular function and perceptual measures were for %HRmax (TE and CV% = 1.4–1.7% and 1.4–2.1%, respectively), MVC before (TE and CV% = 10.8–14.8 N·m and 3.8–4.6%, respectively), and average RPE (TE and CV% = 0.5–0.8 AU and 3.6–5.5%, respectively). The Stroop test, NASA-TLX and blood lactate produced the least reliable measures (CV% >5%). Future studies can confidently examine changes in several perceptual, neuromuscular, physiological and movement measures related to rugby activity using stochastic movements.
CitationMullen, T., Twist, C., & Highton, J. (2019). Stochastic ordering of simulated rugby match activity produces reliable movements and associated measures of subjective task load, cognitive and neuromuscular function. Journal of Sports sSiences, 37(21), 2506-2512.
PublisherTaylor and Francis
JournalJournal of Sports Sciences
DescriptionThis is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Sports Sciences on 31/07/2019, available online: https://www.tandfonline.com/doi/full/10.1080/02640414.2019.1646071?casa_token=jMOart4DiY4AAAAA%3Aas5sLP99oRsMzdowIu4fsTJXinjNh03Eqxgil5s6qs8PNf-phrJOwdukrJoUuneaIfFqRmzwiZeW.
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