Vitamin D Supplementation and Physical Activity of Young Soccer Players during High-Intensity Training

The aim of this study was to confirm that vitamin D supplementation of young soccer players during eight-week high-intensity training would have a significant effect on their motion activity. The subjects were divided into two groups: the experimental one, which was supplemented with vitamin D (SG,...

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Veröffentlicht in:Nutrients 2019-02, Vol.11 (2), p.349
Hauptverfasser: Skalska, Maria, Nikolaidis, Pantelis Theo, Knechtle, Beat, Rosemann, Thomas Johannes, Radzimiński, Łukasz, Jastrzębska, Joanna, Kaczmarczyk, Mariusz, Myśliwiec, Artur, Dragos, Paul, López-Sánchez, Guillermo F, Jastrzębski, Zbigniew
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container_issue 2
container_start_page 349
container_title Nutrients
container_volume 11
creator Skalska, Maria
Nikolaidis, Pantelis Theo
Knechtle, Beat
Rosemann, Thomas Johannes
Radzimiński, Łukasz
Jastrzębska, Joanna
Kaczmarczyk, Mariusz
Myśliwiec, Artur
Dragos, Paul
López-Sánchez, Guillermo F
Jastrzębski, Zbigniew
description The aim of this study was to confirm that vitamin D supplementation of young soccer players during eight-week high-intensity training would have a significant effect on their motion activity. The subjects were divided into two groups: the experimental one, which was supplemented with vitamin D (SG, = 20), and the placebo group (PG, = 16), which was not supplemented with vitamin D. All the players were subjected to the same soccer training, described as High-Intensity Interval Training (HIIT). The data of the vitamin D status, time motion parameters and heart rate were collected just before and after the intervention. A significant increase in 25(OH)D concentration (119%) was observed in the supplemented group, while the non-supplemented group showed a decrease of 8.4%. Based on the obtained results, it was found that physical activity indicators in the players were significantly improved during small-sided games at the last stage of the experiment. However, taking into account the effect of supplementation with vitamin D, there were no statistically significant differences between the placebo and the supplemented groups; thus, the effect size of the conducted experiment was trivial.
doi_str_mv 10.3390/nu11020349
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The subjects were divided into two groups: the experimental one, which was supplemented with vitamin D (SG, = 20), and the placebo group (PG, = 16), which was not supplemented with vitamin D. All the players were subjected to the same soccer training, described as High-Intensity Interval Training (HIIT). The data of the vitamin D status, time motion parameters and heart rate were collected just before and after the intervention. A significant increase in 25(OH)D concentration (119%) was observed in the supplemented group, while the non-supplemented group showed a decrease of 8.4%. Based on the obtained results, it was found that physical activity indicators in the players were significantly improved during small-sided games at the last stage of the experiment. 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The subjects were divided into two groups: the experimental one, which was supplemented with vitamin D (SG, = 20), and the placebo group (PG, = 16), which was not supplemented with vitamin D. All the players were subjected to the same soccer training, described as High-Intensity Interval Training (HIIT). The data of the vitamin D status, time motion parameters and heart rate were collected just before and after the intervention. A significant increase in 25(OH)D concentration (119%) was observed in the supplemented group, while the non-supplemented group showed a decrease of 8.4%. Based on the obtained results, it was found that physical activity indicators in the players were significantly improved during small-sided games at the last stage of the experiment. 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source MDPI - Multidisciplinary Digital Publishing Institute; MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access
subjects Adolescent
Athletes
Calciferol
Dietary Supplements
Double-Blind Method
Endocrinology
Endurance
Exercise
Exercise - physiology
Female
games
heart rate
Heart Rate - physiology
High-Intensity Interval Training - methods
Humans
Locomotion
Male
Maximum power
Metabolism
Motor skill
Muscle strength
Muscular function
Muscular system
Musculoskeletal system
Nervous system
Pediatrics
Physical activity
Physical education
Physical fitness
Physiology
placebos
Players
Skills
Soccer
Soccer - physiology
sports
Systematic review
Time and Motion Studies
Vitamin D
Vitamin D - administration & dosage
Vitamin D - analogs & derivatives
Vitamin D - blood
vitamin status
Vitamins - administration & dosage
Winter
title Vitamin D Supplementation and Physical Activity of Young Soccer Players during High-Intensity Training
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