Effect of different repeated-high-intensity-effort bouts on subsequent running, skill performance, and neuromuscular function
Article
Article Title | Effect of different repeated-high-intensity-effort bouts on subsequent running, skill performance, and neuromuscular function |
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ERA Journal ID | 40358 |
Article Category | Article |
Authors | Johnston, Rich D. (Author), Gabbett, Tim J. (Author), Jenkins, David G. (Author) and Speranza, Michael J. (Author) |
Journal Title | International Journal of Sports Physiology and Performance |
Journal Citation | 11 (3), pp. 311-318 |
Number of Pages | 8 |
Year | 2016 |
Publisher | Human Kinetics Publishers |
Place of Publication | United States |
ISSN | 1555-0265 |
1555-0273 | |
Digital Object Identifier (DOI) | https://doi.org/10.1123/ijspp.2015-0243 |
Web Address (URL) | http://content.ebscohost.com/ContentServer.asp?T=P&P=AN&K=114796786&S=R&D=s3h&EbscoContent=dGJyMNLr40Seqa44y9f3OLCmr0%2Bepq5SsK%2B4S7GWxWXS&ContentCustomer=dGJyMPPn833j5LmF39%2FsU%2BPe7Yvy |
Abstract | Purpose: To assess the impact of different repeated-high-intensity-effort (RHIE) bouts on player activity profiles, skill involvements, and neuromuscular fatigue during small-sided games. Participants: 22 semiprofessional rugby league players (age 24.0 ± 1.8 y, body mass 95.6 ± 7.4 kg). Methods: During 4 testing sessions, they performed RHIE bouts that each differed in the combination of contact and running efforts, followed by a 5-min off-side small-sided game before performing a second bout of RHIE activity and another 5-min small-sided game. Global positioning system microtechnology and video recordings provided information on activity profiles and skill involvements. A countermovement jump and a plyometric push-up assessed changes in lower- And upper-body neuromuscular function after each session. Results: After running-dominant RHIE bouts, players maintained running intensities during both games. In the contact-dominant RHIE bouts, reductions in moderate-speed activity were observed from game 1 to game 2 (ES = -0.71 to -1.06). There was also moderately lower disposal efficiency across both games after contact-dominant RHIE activity compared with running-dominant activity (ES = 0.62-1.02). Greater reductions in lower-body fatigue occurred as RHIE bouts became more running dominant (ES = -0.01 to -1.36), whereas upper-body fatigue increased as RHIE bouts became more contact dominant (ES = -0.07 to -1.55). Conclusions: Physical contact causes reductions in running intensity and the quality of skill involvements during game-based activities. In addition, the neuromuscular fatigue experienced by players is specific to the activities performed. |
Keywords | fatigue; global positioning system; movement demands; pacing; rugby league; team sport; adult; athletic performance; cross-over studies; football; geographic information systems; humans; male; muscle fatigue; muscle, skeletal; plyometric exercise; running; video recording; young adult |
ANZSRC Field of Research 2020 | 420799. Sports science and exercise not elsewhere classified |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Australian Catholic University |
University of Queensland | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q4393/effect-of-different-repeated-high-intensity-effort-bouts-on-subsequent-running-skill-performance-and-neuromuscular-function
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