Abstract
The stresses of strenuous exercise, physical trauma and high sugar intake have all been shown to alter chromium (Cr), zinc (Zn) and copper (Cu) metabolism. Strenuous exercise (10 K run or treadmill exercise to exhaustion) led to elevated urinary Cr and Zn losses. Serum Cr was elevated immediately following exercise, serum zinc decreased two hours post exercise and serum Cu was not altered significantly by acute strenuous exercise. Basal urinary Cr and Cu losses of trained runners were greater than those of sedentary control subjects. Physical trauma (primarily motor vehicle accidents) led to several-fold increases in urinary Cr concentration and marked changes in serum Zn. Hypozincemic values (amplt;30 ug/dl) remained below normal four days following trauma. The stress of a high sugar diet also increased Cr losses. Urinary Cr losses were associated with the insulinogenic properties of the sugars consumed. In summary, physical and dietary stresses alter trace metal metabolism and changes in trace metal metabolism are often independent of changes in macroelements.
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© 1990 Springer-Verlag Tokyo
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Anderson, R.A. (1990). Effects of Exercise, Physical Trauma, and High Sugar Intake on Chromium, Copper, and Zinc Metabolism. In: Tomita, H. (eds) Trace Elements in Clinical Medicine. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68120-5_25
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DOI: https://doi.org/10.1007/978-4-431-68120-5_25
Publisher Name: Springer, Tokyo
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