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Open AccessArticle

Lower-Limb Flexibility Profile Analysis in Youth Competitive Inline Hockey Players

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
Sports and Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
3
Exercise and Sport Research Centre, School of Sport and Exercise, University of Gloucestershire, Gloucester GL2 9HW, UK
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(12), 4338; https://doi.org/10.3390/ijerph17124338
Received: 16 May 2020 / Revised: 8 June 2020 / Accepted: 11 June 2020 / Published: 17 June 2020
During puberty, the growth of the bones is faster than that of the muscles, which may result in muscular tightness. Muscular tightness and asymmetry have been associated with an increase in injury incidence. The assessment of a joint range of motion (ROM) could help to identify athletes classified as high injury risk. The objectives of the present study were to describe the lower-extremity flexibility profile (LEFP) of youth competitive inline hockey players using the ROM-SPORT battery (I) and to identify muscular tightness and asymmetry (II). Seventy-four young players were examined for maximum passive ankle, knee, and hip ROMs. Muscle asymmetry or tightness was classified according to cutoff scores previously described. The LEFP of the 74 players was 10.8° for hip extension, 26° for hip adduction, 33.6° for ankle dorsiflexion, 38.6° for ankle dorsiflexion with knee flexed, 36.7° for hip abduction, 46° for hip internal rotation, 60.6° for hip external rotation, 65.1° for hip abduction with the hip flexed, 66.3° for hip flexion with the knee extended, 119.7° for knee flexion, and 133.7° for hip flexion. The individual analysis of the flexibility values identified tightness in all players for one or more movement, except for hip abduction. A low prevalence of asymmetries was observed (range: 5.4% to 17.6% of players) depending on the ROM. View Full-Text
Keywords: young athlete; injury risk; athletic development; tightness; asymmetry; ROM-SPORT battery young athlete; injury risk; athletic development; tightness; asymmetry; ROM-SPORT battery
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MDPI and ACS Style

Cejudo, A.; Moreno-Alcaraz, V.J.; De Ste Croix, M.; Santonja-Medina, F.; Sainz de Baranda, P. Lower-Limb Flexibility Profile Analysis in Youth Competitive Inline Hockey Players. Int. J. Environ. Res. Public Health 2020, 17, 4338. https://doi.org/10.3390/ijerph17124338

AMA Style

Cejudo A, Moreno-Alcaraz VJ, De Ste Croix M, Santonja-Medina F, Sainz de Baranda P. Lower-Limb Flexibility Profile Analysis in Youth Competitive Inline Hockey Players. International Journal of Environmental Research and Public Health. 2020; 17(12):4338. https://doi.org/10.3390/ijerph17124338

Chicago/Turabian Style

Cejudo, Antonio; Moreno-Alcaraz, Víctor J.; De Ste Croix, Mark; Santonja-Medina, Fernando; Sainz de Baranda, Pilar. 2020. "Lower-Limb Flexibility Profile Analysis in Youth Competitive Inline Hockey Players" Int. J. Environ. Res. Public Health 17, no. 12: 4338. https://doi.org/10.3390/ijerph17124338

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