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Int J Environ Res Public Health. 2018 Dec 3;15(12). pii: E2724. doi: 10.3390/ijerph15122724.

Association Between the 25-Hydroxyvitamin D Status and Physical Performance in Healthy Recreational Athletes.

Author information

1
Department of Environmental Health, Center for Public Health, Medical University of Vienna, Kinderspitalgasse 15, 1090 Vienna, Austria. c.zeitler@hotmail.com.
2
Sportordination, Alser Straße 27/1/6, 1080 Vienna, Austria. fritz@sportordination.com.
3
Institute of Sport Sciences, University of Vienna, Auf der Schmelz 6a, 1150 Vienna, Austria. gerhard.smekal@univie.ac.at.
4
Department of Environmental Health, Center for Public Health, Medical University of Vienna, Kinderspitalgasse 15, 1090 Vienna, Austria. cem.ekmekcioglu@meduniwien.ac.at.

Abstract

Molecular and clinical studies have linked vitamin D (vitD) deficiency to several aspects of muscle performance. For this retrospective cross-sectional study data from 297 male (M) and 284 female (F) healthy recreational athletes were used to evaluate the prevalence of vitD deficiency in athletes living in Austria and to determine whether serum 25-hydroxyvitamin D (25(OH)D) correlates with maximal (Pmax) and submaximal physical performance (Psubmax) measured on a treadmill ergometer. The data were controlled for age, season, weekly training hours (WTH), body mass index (BMI) and smoking status. 96 M and 75 F had 25(OH)D levels ≤ 20 ng/mL. 25(OH)D levels showed seasonal variations, but no seasonal differences in Pmax and Psubmax were detected. M with 25(OH)D levels ≤ 20 ng/mL had significantly lower Psubmax (p = 0.045) than those with normal levels. In F no significant differences in Pmax or Psubmax were detected. Stepwise multiple regression analysis including all covariates revealed significant correlations between 25(OH)D levels and Pmax (β = 0.138, p = 0.003) and Psubmax (β = 0.152, p = 0.002) in M. Interestingly, for F significant correlations between 25(OH)D and both Pmax and Psubmax disappeared after adding WTH to the model. In conclusion, our data suggest that 25(OH)D status is associated with physical performance especially in M, while in F, WTH and BMI seem to affect the correlation.

KEYWORDS:

25-hydroxyvitamin D (25(OH)D); athlete; maximal performance; physical activity; submaximal performance; treadmill ergometer; vitamin D

PMID:
30513927
PMCID:
PMC6313736
DOI:
10.3390/ijerph15122724
[Indexed for MEDLINE]
Free PMC Article

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