Eccentric hamstring muscle strength during home confinement due to the COVID-19 pandemic, and football competition resumption in professional football referees: a prospective observational study
Autor/a
Moreno-Pérez, Víctor
Madruga-Parera, Marc
Romero-Rodríguez, Daniel
Sanchéz-Sanchéz, Javier
Felipe, José Luis
Marcè-Hernández, Lluis
Recasens-Sarrà, Eudald
Del Coso, Juan
Data de publicació
2021ISSN
1660-4601
Resum
The COVID-19 pandemic has produced a major disruption for professional football leagues that has affected the physical preparation of both football players and referees. In Spain, health authorities decreed home confinement for eight weeks, supressing the normal training routines of professional referees. After home confinement, referees had four weeks to retrain as the national football league was set to resume matches to complete the 11 games remaining. The aim of the present investigation was to assess changes in eccentric hamstring muscle strength during football competition suspension/resumption due to the COVID-19 pandemic in 21 professional football referees (mean ± SD, age: 33.4 ± 5.1 years; height: 182.4 ± 5.0 cm; body mass: 75.1 ± 4.4 kg). Eccentric hamstring muscle strength was measured with the Nordic hamstring exercise at four time points. During home confinement, referees presented the lowest value of bilateral eccentric muscle strength (300 ± 14 N). Eccentric muscle strength increased by 13.2 ± 3.7% one week after the end of home confinement (339 ± 16 N; p = 0.001, effect size (ES) = 2.8) and remained stable before the first match (343 ± 17 N; p = 0.001, ES = 3.1) and after the end of the national league (328 ± 13 N; p = 0.001, ES = 2.0). In summary, home confinement produced detraining effects in professional football referees associated with hamstring muscle weakness. In this regard, strength-based activities with body loads may be insufficient to avoid muscle weakness and other means (e.g., weights) may be necessary to maintain muscle strength. However, the 4-weeks retraining period was sufficient to resolve hamstring muscle weakness induced by the restrictions of home confinement. This information may be helpful in the case of future sport competition suspension or home quarantine due to new waves of COVID-19 pandemic.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
61 - Medicina
Paraules clau
Força
Risc de lesions
Rendiment muscular
Rendiment de l'exercici
Debilitat muscular
Fortaleza
Riesgo de lesiones
Rendimiento muscular
Rendimiento del ejercicio
Debilidad muscular
Strength
Injury risk
Muscle performance
Exercise performance
Muscle weakness
Pàgines
8
Publicat per
MDPI
Col·lecció
18; 18
Publicat a
International Journal of Environmental Research and Public Health
Citació
Moreno-Pérez, Víctor; Madruga-Parera, Marc; Romero-Rodríguez, Daniel [et al.]. Eccentric hamstring muscle strength during home confinement due to the COVID-19 pandemic, and football competition resumption in professional football referees: a prospective observational study. International Journal of Environmental Research and Public Health, 2021, 18(189, 9737. Disponible en: <https://www.mdpi.com/1660-4601/18/18/9737>. Fecha de acceso: 16 feb. 2024. DOI: 10.3390/ijerph18189737
Aquest element apareix en la col·lecció o col·leccions següent(s)
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Drets
© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Excepte que s'indiqui una altra cosa, la llicència de l'ítem es descriu com https://creativecommons.org/licenses/by/4.0/