<研究論文>長距離選手における赤血球MCVとplasma HDLの関係

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A longitudinal study was designed to clarify the background of the compensatory increase of MCV in distance runners undergoing endurance training for a prolonged period, four years. The subjects were student distance runners (n=35) who lived in a dormitory, had the same training program and graduated from university from 1996 to 1999. Blood collection was performed in the early morning (7 : 30-9 : 00) and measurements of MCV and plasma HDL were performed by SRL company. Longitudinal changes in individual MCV and plasma HDL during the 4 years were parallel and non-parallel. The parallel group showed a significantly high correlation in MCV and plasma HDL, but the findings in the non-parallel group were not significant. Distribution of the correlation coefficient was normal and half of the subjects had no correlation. However, there was an exponential relationship between the correlation coefficient and performance in the 10000m run. In particular, the subjects whose time was under 29'30'' in the 10000m run showed significantly high correlation coefficient between MCV and plasma HDL. A difference in plasma HDL level with endurance training was found between subjects with high and low correlation coefficient. In the low plasma HDL group (less than 70mg/dl) there was no significant increase of MCV even after heavy training at summer camp for two months. Thus, from these findings, we suggest that the relationship between MCV and plasma HDL depends on changes in plasma HDL due to endurance training over a prolonged period.
東海大学の論文

<研究論文>長距離選手における赤血球MCVとplasma HDLの関係

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