Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship
PurposeFatigue manifests as a decline in maximal voluntary contraction (MVC), driven by both central and peripheral factors. Studies have shown reduced maximum isometric force in knee extensor and plantar flexor muscles after ultradistance trail running. This study aimed to assess the effectiveness...
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Frontiers Media S.A.
2025-06-01
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| Series: | Frontiers in Sports and Active Living |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fspor.2025.1506067/full |
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| author | Diego Jaén-Carrillo Felipe García-Pinillos Felipe García-Pinillos Felipe García-Pinillos Pedro E. Alcaraz Cristian Marín-Pagán Francisco J. Martínez-Noguera Peter A. Federolf |
| author_facet | Diego Jaén-Carrillo Felipe García-Pinillos Felipe García-Pinillos Felipe García-Pinillos Pedro E. Alcaraz Cristian Marín-Pagán Francisco J. Martínez-Noguera Peter A. Federolf |
| author_sort | Diego Jaén-Carrillo |
| collection | DOAJ |
| description | PurposeFatigue manifests as a decline in maximal voluntary contraction (MVC), driven by both central and peripheral factors. Studies have shown reduced maximum isometric force in knee extensor and plantar flexor muscles after ultradistance trail running. This study aimed to assess the effectiveness of jump tests [countermovement jump [CMJ] and 30 cm-height drop jump [DJ]] and handgrip strength tests in detecting acute neuromuscular fatigue among elite marathon trail runners following the 2023 Trail Running World Championship.MethodsEight elite athletes (4 males and 4 females; height: 168 ± 8.62 cm; weight: 56.18 ± 9.28 kg; age: 32.98 ± 5.43 years) were recruited. Paired samples T-Test analyses are used.ResultsNo significant differences were found in all jumping variables except for the Reactive Strength Index (RSI) (t = 2.44, df = 7, p = 0.045), with a large effect size (ES = 0.862). Handgrip strength test analyses showed no significant reductions post-run.ConclusionRSI decreased while other performance variables remained unchanged. This suggests the athletes’ fatigue had less impact on their performance in these tests than anticipated, showing a less reactive jump strategy (p < 0.05 for RSI) after the competition. |
| format | Article |
| id | doaj-art-e2cf0630b1e64d93b942e01436fbc933 |
| institution | Kabale University |
| issn | 2624-9367 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Sports and Active Living |
| spelling | doaj-art-e2cf0630b1e64d93b942e01436fbc9332025-08-20T03:46:33ZengFrontiers Media S.A.Frontiers in Sports and Active Living2624-93672025-06-01710.3389/fspor.2025.15060671506067Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championshipDiego Jaén-Carrillo0Felipe García-Pinillos1Felipe García-Pinillos2Felipe García-Pinillos3Pedro E. Alcaraz4Cristian Marín-Pagán5Francisco J. Martínez-Noguera6Peter A. Federolf7Department of Sport Science, University of Innsbruck, Innsbruck, AustriaDepartment of Physical Education and Sport, University of Granada, Granada, SpainSport and Health University Research Center (iMUDS), Granada, SpainDepartment of Physical Education, Sport and Recreation. Universidad de La Frontera, Temuco, ChileResearch Center for High Performance Sport, Catholic University of Murcia (UCAM), Murcia, SpainResearch Center for High Performance Sport, Catholic University of Murcia (UCAM), Murcia, SpainResearch Center for High Performance Sport, Catholic University of Murcia (UCAM), Murcia, SpainDepartment of Sport Science, University of Innsbruck, Innsbruck, AustriaPurposeFatigue manifests as a decline in maximal voluntary contraction (MVC), driven by both central and peripheral factors. Studies have shown reduced maximum isometric force in knee extensor and plantar flexor muscles after ultradistance trail running. This study aimed to assess the effectiveness of jump tests [countermovement jump [CMJ] and 30 cm-height drop jump [DJ]] and handgrip strength tests in detecting acute neuromuscular fatigue among elite marathon trail runners following the 2023 Trail Running World Championship.MethodsEight elite athletes (4 males and 4 females; height: 168 ± 8.62 cm; weight: 56.18 ± 9.28 kg; age: 32.98 ± 5.43 years) were recruited. Paired samples T-Test analyses are used.ResultsNo significant differences were found in all jumping variables except for the Reactive Strength Index (RSI) (t = 2.44, df = 7, p = 0.045), with a large effect size (ES = 0.862). Handgrip strength test analyses showed no significant reductions post-run.ConclusionRSI decreased while other performance variables remained unchanged. This suggests the athletes’ fatigue had less impact on their performance in these tests than anticipated, showing a less reactive jump strategy (p < 0.05 for RSI) after the competition.https://www.frontiersin.org/articles/10.3389/fspor.2025.1506067/fullenduranceperformance analysisstiffnesstestingtrail runningbiomechanics |
| spellingShingle | Diego Jaén-Carrillo Felipe García-Pinillos Felipe García-Pinillos Felipe García-Pinillos Pedro E. Alcaraz Cristian Marín-Pagán Francisco J. Martínez-Noguera Peter A. Federolf Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship Frontiers in Sports and Active Living endurance performance analysis stiffness testing trail running biomechanics |
| title | Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship |
| title_full | Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship |
| title_fullStr | Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship |
| title_full_unstemmed | Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship |
| title_short | Jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship |
| title_sort | jump performance and handgrip strength do not reflect acute fatigue in elite trail runners after the 2023 world trail running championship |
| topic | endurance performance analysis stiffness testing trail running biomechanics |
| url | https://www.frontiersin.org/articles/10.3389/fspor.2025.1506067/full |
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