The relationship between vitamin D levels, injury and muscle function in adolescent dancers
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Authorsde Rezende Araújo, Iris Iasmine
Sampaio, Lucas Henrique Ferreira
Bittar, Adriano Jabur
da Silva Hamu, Tânia Cristina Dias
Formiga, Cibelle Kayenne Martins Roberto
MetadataShow full item record
AbstractVitamin D has been shown to benefit a diverse range of health functions including muscle function. The aim of the present study was to identify serum 25(OH)D3 levels in a sample of adolescent dancers and compare them to muscle function and injury incidence. We incorporated a cross-sectional design to study 49 pre-professional male and female dancers (17±4.44yrs, 52.1±6.72kg, 1.63±0.07m) in full-time training in Brazil. Serum 25[OH]D3 was analyzed by Enzyme-linked Immunosorbent Assay; quadriceps and hamstring peak torque and muscle fatigue were measured by isokinetic dynamometer at 60 and 300° s-1. Injury type and location in the previous 6- months were determined by self-report questionnaire. Participants were categorized into 2 groups: normal or insufficient/deficient (>or<30 ng/ml 25[OH]D3). Results indicated the normal serum 25[OH]D3 group had significantly lower fatigue rates than the insufficient/deficient group (p<0.05) but not for the other muscle function parameters. Fifty-seven percent of participants reported at least 1 injury. The most common were sprains (33%) and tendinopathies (19%). Injured dancers had significantly lower peak torque at 60°/s. The link between serum 25[OH]D3 and reduced muscle fatigue resistance has not been shown before, though the underlying mechanisms aren’t apparent and the link between muscular strength and injury has been previously evidenced.
CitationDe Rezende Araújo, I. I., Sampaio, L. H. F., Bittar, A. J., Da Silva Hamu, T. C. D., Wyon, M., Formiga, C. K. M. R. (2020) The relationship between vitamin D levels, injury and muscle function in adolescent dancers, International Journal of Sports Medicine, 41(6), pp. 360-364
JournalInternational Journal of Sports Medicine
DescriptionThis is an accepted manuscript of an article published by Thieme in International Journal of Sports Medicine on 14/02/2020, available online: https://www.thieme-connect.com/products/ejournals/pdf/10.1055/a-1087-2130.pdf The accepted version of the publication may differ from the final published version.
Except where otherwise noted, this item's license is described as https://creativecommons.org/licenses/by-nc-nd/4.0/