Abstract
BackgroundThe aim of the present study was to determine changes in the serum concentrations of trace elements Cobalt (Co), Molybdenum (Mo) and Zinc (Zn) among high-level sportsmen.MethodsEighty professional athletes of different metabolic modalities (aerobic, anaerobic and aerobic-anaerobic), were recruited before the beginning of their training seasons. Thirty-one sedentary participants of the same geographic area constituted the control group. Co, Mo and Zn analysis was performed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS).ResultsSerum concentration of Mo (p < 0.001) was higher among sportsmen compared to the control group values. Separated by modalities, the concentrations of Co in the aerobic-anaerobic athletes were lower (p < 0.01) than in the control group as well as than in the other athletes. The highest Mo concentration was found in anaerobic sportsmen (p < 0.001), followed by aerobic-anaerobic (p < 0.001) being both statistically higher in comparison with the control group. In relation to Zn, it was observed that aerobic-anaerobic (p < 0.001) and anaerobic (p < 0.001) sportsmen showed higher concentrations than the control participants. However, aerobic sportsmen showed lower concentrations (p < 0.01) than controls.ConclusionThis data manifest that long-term, daily physical training may induce variations in serum concentrations of several essential elements among sportsmen in comparison to untrained men and that these changes seems to be related to the sports modality practiced.
Highlights
The aim of the present study was to determine changes in the serum concentrations of trace elements Cobalt (Co), Molybdenum (Mo) and Zinc (Zn) among high-level sportsmen
The results are separated in two sections and in two different tables for each section, in the firsts we will compare the results obtained among all the athletes with the control group; in the second tables of each section results are compared among the athletes separated by the metabolic type of activity with the control group and among themselves
It can be observed that SPG had total body, body mass index (BMI), weight and fat values (Σ of skinfolds) significantly lower (p < 0.001) than the control group (CG)
Summary
The aim of the present study was to determine changes in the serum concentrations of trace elements Cobalt (Co), Molybdenum (Mo) and Zinc (Zn) among high-level sportsmen. Essential trace elements such as cobalt (Co), molybdenum (Mo) and zinc (Zn) develop necessary roles in different physiological functions. Minimum alterations in its concentrations may induce critical alterations in its physiological functions as well as in the physical performance. Mo and Zn play essential roles in different adaptive processes to physical training. In this sense, Co enters in the composition of cobalamin and increases erythropoiesis [1].
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