学生長距離選手の赤血球指標の縦断的変化

概要

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We examined the RBC indices of student long distance runners for 4 years to clarify the characteristics of RBCs as a result of endurance training. The subjects were male student long distance runners (n=9) and control group (n=15). Blood tests were performed 4 to 5 times each year. RBC indices (MCV, MCH, Hct, Hgb) were assayed using an automated hematology analyzer (SF-3000). Blood viscosity was measured by micro viscometer (DV-II). RBCs OF the long distance runners significantly decreased due to endurance training (p<0.05). Compensatory increases of MCV and MCH were found (p<0.05). There was a significant relationship between MCV and MCH (r=0.80,p<0.05), and the MCH was higher in the runner group than the control group. There were significant relationships among RBCs, blood viscosities, and performance (5000m run)(respectivery, p<0.05).The findings indicate that RBCs of long distance runners decrease with increases of MCV and MCH due to reduced blood viscosity as a result of endurance training.
東海大学の論文