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Article

Knee Flexor Eccentric Strength, Hamstring Muscle Volume and Sprinting in Elite Professional Soccer Players with a Prior Strained Hamstring

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Qatar Football Association, Doha 999043, Qatar
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Department of Sport and Informatics, Section of Physical Education and Sport, Pablo de Olavide University, 41013 Sevilla, Spain
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Medical and Performance Department, Futbol Club Barcelona, 08028 Barcelona, Spain
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Medical Services, Athletic Club, 48196 Lezama, Spain
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Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
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Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
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Performance Department, FC Basel 1893, 4057 Basel, Switzerland
*
Author to whom correspondence should be addressed.
Academic Editor: Redha Taiar
Biology 2022, 11(1), 69; https://doi.org/10.3390/biology11010069
Received: 29 November 2021 / Revised: 18 December 2021 / Accepted: 29 December 2021 / Published: 3 January 2022
(This article belongs to the Section Physiology)
Given the link between a prior hamstring injury and the increased risk of suffering a subsequent injury in professional soccer, an understanding of the features displayed by previously injured players is important. The aim of the present study was to investigate if players with a history of hamstring injury exhibit bilateral deficits in knee flexor eccentric strength, hamstring muscle volume, and sprinting performance. The eccentric knee flexor strength was greater in the previously injured limbs compared to both the contralateral uninjured limbs in the previously injured group and the uninjured limbs in the previously uninjured players. Previously injured limbs showed possibly larger short heads of the biceps femoris and likely semitendinosus muscle volumes. Sprinting performances in the 5-m were possibly worse in players with a history of hamstring muscle strain injury compared to the previously uninjured players.
The aim was to determine if players with a prior hamstring strain injury (HSI) exhibit bilateral deficits in knee flexor eccentric strength and hamstring muscle volume and differences in sprinting performance compared with players without a history of HSIs. Forty-six male professional soccer players participated in this study. Eccentric knee flexor strength, hamstring muscle volume (MRI), and a 20-m running sprint test (5- and 10-m split time) were assessed at the start of the preseason. Eccentric knee strength of the previously injured limbs of injured players was greater (ES: 1.18–1.36) than the uninjured limbs in uninjured players. Previously injured limbs showed possibly larger biceps femoris short heads (BFSh) and likely semitendinosus (ST) muscle volumes than the contralateral uninjured limbs among the injured players (ES: 0.36) and the limbs of the uninjured players (ES: 0.56), respectively. Players who had experienced a previous HSI were possibly slower in the 5-m (small ES: 0.46), while unclear differences were found in both the 10-m and 20-m times. Players with a prior HSI displayed greater eccentric knee flexor strength, possibly relatively hypertrophied ST and BFSh muscles, and possibly reduced 5-m sprinting performances than previously uninjured players. This can have implication for the design of secondary hamstring muscle injury prevention strategies. View Full-Text
Keywords: hamstring injury strain; Nordic hamstring exercise; muscle morphology; running; football hamstring injury strain; Nordic hamstring exercise; muscle morphology; running; football
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MDPI and ACS Style

Mendez-Villanueva, A.; Nuñez, F.J.; Lazaro-Ramirez, J.L.; Rodriguez-Sanchez, P.; Guitart, M.; Rodas, G.; Martin-Garetxana, I.; Lekue, J.; Di Salvo, V.; Suarez-Arrones, L. Knee Flexor Eccentric Strength, Hamstring Muscle Volume and Sprinting in Elite Professional Soccer Players with a Prior Strained Hamstring. Biology 2022, 11, 69. https://doi.org/10.3390/biology11010069

AMA Style

Mendez-Villanueva A, Nuñez FJ, Lazaro-Ramirez JL, Rodriguez-Sanchez P, Guitart M, Rodas G, Martin-Garetxana I, Lekue J, Di Salvo V, Suarez-Arrones L. Knee Flexor Eccentric Strength, Hamstring Muscle Volume and Sprinting in Elite Professional Soccer Players with a Prior Strained Hamstring. Biology. 2022; 11(1):69. https://doi.org/10.3390/biology11010069

Chicago/Turabian Style

Mendez-Villanueva, Alberto, Francisco Javier Nuñez, Jose Luis Lazaro-Ramirez, Pablo Rodriguez-Sanchez, Marc Guitart, Gil Rodas, Imanol Martin-Garetxana, Josean Lekue, Valter Di Salvo, and Luis Suarez-Arrones. 2022. "Knee Flexor Eccentric Strength, Hamstring Muscle Volume and Sprinting in Elite Professional Soccer Players with a Prior Strained Hamstring" Biology 11, no. 1: 69. https://doi.org/10.3390/biology11010069

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