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Journal of the International Society of Sports Nutrition

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Open Access 01-12-2020 | Research article

Influence of physical training on erythrocyte concentrations of iron, phosphorus and magnesium

Authors: Marcos Maynar Mariño, Francisco Javier Grijota, Ignacio Bartolomé, Jesús Siquier-Coll, Victor Toro Román, Diego Muñoz

Published in: Journal of the International Society of Sports Nutrition | Issue 1/2020

Abstract

Background

The present study aimed to determine changes occurring in the erythrocyte concentrations of Iron (Fe), Magnesium (Mg) and Phosphorous (P) of subjects with different levels of physical training living in the same area of Extremadura (Spain).

Methods

Thirty sedentary subjects (24.34 ± 3.02 years) without sports practice and a less active lifestyle, formed the control group (CG); 24 non-professional subjects (23.53 ± 1.85 years), who perform between 4 and 6 h/week of moderate sports practice without any performance objective and without following systematic training formed the group of subjects with a moderate level of training (MTG), and 22 professional cyclists (23.29 ± 2.73 years) at the beginning of their sports season, who performed more than 20 h/week of training, formed the high-level training group (HTG). Erythrocyte samples from all subjects were collected and frozen at − 80 °C until analysis. Erythrocyte analysis of Fe, Mg and P was performed by inductively coupled plasma mass spectrometry (ICP-MS). All results are expressed in μg/g Hb.

Results

The results showed that there were statistically significant lower concentrations of erythrocyte Fe, Mg and P in MTG and HTG than CG. All parameters (Fe, Mg and P concentrations in erythrocytes) correlated inversely with physical training.

Conclusions

Physical exercise produces a decrease in erythrocyte concentrations of Fe, Mg and P. This situation could cause alterations in the performance of athletes given the importance of these elements. For this reason, we recommend an erythrocyte control at the beginning, and during the training period, to avoid harmful deficits.

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Title: Influence of physical training on erythrocyte concentrations of iron, phosphorus and magnesium
Authors: Marcos Maynar Mariño
Francisco Javier Grijota
Ignacio Bartolomé
Jesús Siquier-Coll
Victor Toro Román
Diego Muñoz
Publication date: 01-12-2020
Publisher: BioMed Central
Published in: Journal of the International Society of Sports Nutrition / Issue 1/2020
Electronic ISSN: 1550-2783
DOI: https://doi.org/10.1186/s12970-020-0339-y

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Influence of physical training on erythrocyte concentrations of iron, phosphorus and magnesium

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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