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Federal government websites often end in. The site is secure. Preview improvements coming to the PMC website in October Learn More or Try it out now. All data generated or analysed during this study are included in this published article. The aim of the present study was to determine changes in serum concentrations of trace elements Cooper Cu , Chromiun Cr , Manganesum Mn , Nickel Ni and Selenium Se in high-level sportsmen. Eighty professional athletes of different metabolic modalities, were recruited before the start of their training period.
Thirty one sedentary participants of the same geographic area constituted the control group. The highest Cr values were found in aerobic participants. This research showed that daily, continuum physical training induced alterations in serum essential minerals concentrations, as well as that these changes can be dependent of the exercise modality practiced. Essential trace elements such as chromium Cr , copper Cu , manganese Mn , nickel Ni and selenium Se are needed in small amounts in the human body.
Despite of the minuscule organic quantities, all of them are necessary for the maintenance and regulation of many biological functions. Cr is linked to the carbohydrates metabolism, modifying blood glucose levels and acting as an insulin enhancer. Besides, Cr is also involved in the lipids metabolism and in the protein anabolism [ 1 — 3 ]. Ni takes part in the tissular regulation of phospholipids, triglycerides, urea, glucose, glycogen and ATP levels [ 4 , 5 ]. It has been demonstrated that all three enzymes suffer exercise-induced adaptations [ 6 ].
Furthermore, lower concentrations of Cu, Mn and Se could induce injuries in body functions and physical performance downgrade [ 7 ]. It is known that physical activity leads to many metabolic changes in human organism; intense training exercises may increase essential trace elements requirements, either by augmented degradation rates or by increased losses from the body.