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Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury

Aim: Hamstring strain injury is common in soccer. The aim of this study was to evaluate the physical capacity of players who have and have not suffered from hamstring strain injury in a sample of semi-professional and professional Norwegian soccer players in order to evaluate characteristics and to...

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Autores principales: Røksund, Ola D., Kristoffersen, Morten, Bogen, Bård E., Wisnes, Alexander, Engeseth, Merete S., Nilsen, Ann-Kristin, Iversen, Vegard V., Mæland, Silje, Gundersen, Hilde
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5271334/
https://www.ncbi.nlm.nih.gov/pubmed/28190999
http://dx.doi.org/10.3389/fphys.2017.00025
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author Røksund, Ola D.
Kristoffersen, Morten
Bogen, Bård E.
Wisnes, Alexander
Engeseth, Merete S.
Nilsen, Ann-Kristin
Iversen, Vegard V.
Mæland, Silje
Gundersen, Hilde
author_facet Røksund, Ola D.
Kristoffersen, Morten
Bogen, Bård E.
Wisnes, Alexander
Engeseth, Merete S.
Nilsen, Ann-Kristin
Iversen, Vegard V.
Mæland, Silje
Gundersen, Hilde
author_sort Røksund, Ola D.
collection PubMed
description Aim: Hamstring strain injury is common in soccer. The aim of this study was to evaluate the physical capacity of players who have and have not suffered from hamstring strain injury in a sample of semi-professional and professional Norwegian soccer players in order to evaluate characteristics and to identify possible indications of insufficient rehabilitation. Method: Seventy-five semi-professional and professional soccer players (19 ± 3 years) playing at the second and third level in the Norwegian league participated in the study. All players answered a questionnaire, including one question about hamstring strain injury (yes/no) during the previous 2 years. They also performed a 40 m maximal sprint test, a repeated sprint test (8 × 20 m), a countermovement jump, a maximal oxygen consumption (VO(2max)) test, strength tests and flexibility tests. Independent sample t-tests were used to evaluate differences in the physical capacity of the players who had suffered from hamstring strain injury and those who had not. Mixed between-within subject's analyses of variance was used to compare changes in speed during the repeated sprint test between groups. Results: Players who reported hamstring strain injury during the previous two years (16%) had a significantly higher drop in speed (0.07 vs. 0.02 s, p = 0.007) during the repeated sprint test, compared to players reporting no previous hamstring strain injury. In addition, there was a significant interaction (groups × time) (F = 3.22, p = 0.002), showing that speed in the two groups changed differently during the repeated sprint test. There were no significant differences in relations to age, weight, height, body fat, linear speed, countermovement jump height, leg strength, VO(2max), or hamstring flexibility between the groups. Conclusion: Soccer players who reported hamstring strain injury during the previous 2 years showed significant higher drop in speed during the repeated sprint test compared to players with no hamstring strain injury. The maximal speed, leg strength, ability to produce maximal power, endurance capacity, and hamstring flexibility was similar for both groups. Thus, a repeated sprint test consisting of 8 × 20 m could be used as a field-based diagnostic tool to identify players in need of reconditioning programs to ensure complete post-injury rehabilitation.
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spelling pubmed-52713342017-02-10 Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury Røksund, Ola D. Kristoffersen, Morten Bogen, Bård E. Wisnes, Alexander Engeseth, Merete S. Nilsen, Ann-Kristin Iversen, Vegard V. Mæland, Silje Gundersen, Hilde Front Physiol Physiology Aim: Hamstring strain injury is common in soccer. The aim of this study was to evaluate the physical capacity of players who have and have not suffered from hamstring strain injury in a sample of semi-professional and professional Norwegian soccer players in order to evaluate characteristics and to identify possible indications of insufficient rehabilitation. Method: Seventy-five semi-professional and professional soccer players (19 ± 3 years) playing at the second and third level in the Norwegian league participated in the study. All players answered a questionnaire, including one question about hamstring strain injury (yes/no) during the previous 2 years. They also performed a 40 m maximal sprint test, a repeated sprint test (8 × 20 m), a countermovement jump, a maximal oxygen consumption (VO(2max)) test, strength tests and flexibility tests. Independent sample t-tests were used to evaluate differences in the physical capacity of the players who had suffered from hamstring strain injury and those who had not. Mixed between-within subject's analyses of variance was used to compare changes in speed during the repeated sprint test between groups. Results: Players who reported hamstring strain injury during the previous two years (16%) had a significantly higher drop in speed (0.07 vs. 0.02 s, p = 0.007) during the repeated sprint test, compared to players reporting no previous hamstring strain injury. In addition, there was a significant interaction (groups × time) (F = 3.22, p = 0.002), showing that speed in the two groups changed differently during the repeated sprint test. There were no significant differences in relations to age, weight, height, body fat, linear speed, countermovement jump height, leg strength, VO(2max), or hamstring flexibility between the groups. Conclusion: Soccer players who reported hamstring strain injury during the previous 2 years showed significant higher drop in speed during the repeated sprint test compared to players with no hamstring strain injury. The maximal speed, leg strength, ability to produce maximal power, endurance capacity, and hamstring flexibility was similar for both groups. Thus, a repeated sprint test consisting of 8 × 20 m could be used as a field-based diagnostic tool to identify players in need of reconditioning programs to ensure complete post-injury rehabilitation. Frontiers Media S.A. 2017-01-27 /pmc/articles/PMC5271334/ /pubmed/28190999 http://dx.doi.org/10.3389/fphys.2017.00025 Text en Copyright © 2017 Røksund, Kristoffersen, Bogen, Wisnes, Engeseth, Nilsen, Iversen, Mæland and Gundersen. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Physiology
Røksund, Ola D.
Kristoffersen, Morten
Bogen, Bård E.
Wisnes, Alexander
Engeseth, Merete S.
Nilsen, Ann-Kristin
Iversen, Vegard V.
Mæland, Silje
Gundersen, Hilde
Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury
title Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury
title_full Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury
title_fullStr Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury
title_full_unstemmed Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury
title_short Higher Drop in Speed during a Repeated Sprint Test in Soccer Players Reporting Former Hamstring Strain Injury
title_sort higher drop in speed during a repeated sprint test in soccer players reporting former hamstring strain injury
topic Physiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5271334/
https://www.ncbi.nlm.nih.gov/pubmed/28190999
http://dx.doi.org/10.3389/fphys.2017.00025
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