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Article

Flexibility in Spanish Elite Inline Hockey Players: Profile, Sex, Tightness and Asymmetry

1
Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
2
Dipartimento di Scienze Biomolecolari, Scuola di Scienze Motorie, Università degli Studi, 61029 Urbino, Italy
3
Sports and Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
4
Department of Surgery, Pediatrics, Obstetrics and Gynecology, Faculty of Medicine, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(9), 3295; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17093295
Received: 11 March 2020 / Revised: 22 April 2020 / Accepted: 29 April 2020 / Published: 9 May 2020
(This article belongs to the Special Issue Sports and Health)
Limited ranges of motion (ROM) have been considered as a relevant risk factor for team sports injuries. The main purposes of the current study were to describe the lower extremity ROM profile, muscular tightness and asymmetries in elite inline hockey players and to examine sex-related differences. Twenty professional inline hockey players from 2 Spanish National Teams (male and female) were measured of passive hip extension [HE], hip adduction with hip flexed 90° [HAD-HF], hip flexion with the knee flexed [HF-KF] and extended [HF-KE], hip abduction with the hip neutral [HAB] and hip flexed 90° [HAB-HF], hip external [HER] and internal [HIR] rotation, knee flexion [KF], ankle dorsiflexion with the knee flexed [ADF-KF] and extended [ADF-KE] ROMs of the dominant and non-dominant leg ROMs were taken. A paired t-test was carried out to assess asymmetries. ROM values were classified as “normal versus tightness”, and “normal versus asymmetry” according to the proposed reference values. The effect size for each variable was analyzed. Male team exhibited asymmetry in HF-KF (133.2° dominant vs. 129.8° non-dominant; p = 0.042; d = 0.7243 [moderate effect sizes]) and female team in ADF-KF (38.8° dominant vs. 41.0 non-dominant; p = 0.001; d = 0.6 [moderate effect sizes]) and HAB ROM (41.2° dominant vs. 38.8 non-dominant; p = 0.005; d = 1.1767 [moderate effect sizes]). Male players reported asymmetry in HAD-HF (n = 5), HER (n = 4) and HE (n = 3), whereas female players presented asymmetries in HER (n = 4), HE (n = 3) and KF (n = 2). Overall, 20–100% of all participants showed limited KF, HF_KE, HIR, HE, ADF_KF, HAD-HF, HF-KF, ADF_KE, HTR and HER ROM. The results of this study reinforce the requirement of prescribing exercises aimed at improving hip, knee and ankle ROM within everyday inline hockey practices. In addition, as some asymmetries were found, unilateral flexibility training should be considered where appropriate. View Full-Text
Keywords: range of motion; lower limb; stretching; roller hockey range of motion; lower limb; stretching; roller hockey
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MDPI and ACS Style

Cejudo, A.; Moreno-Alcaraz, V.J.; Izzo, R.; Robles-Palazón, F.J.; Sainz de Baranda, P.; Santonja-Medina, F. Flexibility in Spanish Elite Inline Hockey Players: Profile, Sex, Tightness and Asymmetry. Int. J. Environ. Res. Public Health 2020, 17, 3295. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17093295

AMA Style

Cejudo A, Moreno-Alcaraz VJ, Izzo R, Robles-Palazón FJ, Sainz de Baranda P, Santonja-Medina F. Flexibility in Spanish Elite Inline Hockey Players: Profile, Sex, Tightness and Asymmetry. International Journal of Environmental Research and Public Health. 2020; 17(9):3295. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17093295

Chicago/Turabian Style

Cejudo, Antonio, Víctor J. Moreno-Alcaraz, Riccardo Izzo, Francisco J. Robles-Palazón, Pilar Sainz de Baranda, and Fernando Santonja-Medina. 2020. "Flexibility in Spanish Elite Inline Hockey Players: Profile, Sex, Tightness and Asymmetry" International Journal of Environmental Research and Public Health 17, no. 9: 3295. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17093295

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