Effects of Long-Term Endurance Exercise on Cardiac Morphology, Function, and Injury Indicators among Amateur Marathon Runners.

Among the functions involved in the maintenance of health, cardiovascular function plateaued during the decline: runners aged 35–49 years showed a slow decline, while those over 49 years of age showed a trend of significant decline with increasing age every 5 years.

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A p < 0.05 was defined as a significant difference, and p < 0.01 as a highly significant difference. 3.

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