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KMID : 1101720140180040355
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Physical Activity and Nutrition
2014 Volume.18 No. 4 p.355 ~ p.359
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Arterial stiffness is inversely associated with a better running record in a full course marathon race
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Jung Su-Jeen
Park Jae-Hyoung
Lee Se-Won
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Abstract
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[Purpose] Arterial stiffness is an independent predictor of cardiovascular risk and may contribute to reduced running capacity in humans. This study investigated the relationship between course record and arterial stiffness in marathoners who participated in the Seoul International Marathon in 2012.
[Methods] A total of 30 amateur marathoners (Males n = 28, Females n = 2, mean age = 51.6 ± 8.3 years) were assessed before and after the marathon race. Brachial-ankle pulse wave velocity (ba-PWV) was assessed by VP-1000 plus (Omron Healthcare Co., Ltd., Kyoto, Japan) before and immediately after the marathon race. Pearson's correlation coefficient was used to determine the relationship between race record and ba-PWV. In addition, Wilcoxon signed rank test was used to determine the difference in ba-PWV between before and after the race.
[Results] There was no significant change in the ba-PWV of marathoners before and after the race (1271.1 ± 185 vs. 1268.8 ± 200 cm/s, P=0.579). Both the full course record (Pearson's correlation coefficient = 0.416, P = 0.022) and the record of half line (Pearson's correlation coefficient = 0.482, P = 0.007) were positively related with the difference in ba-PWV, suggesting that reduced arterial stiffness is associated with a better running record in the marathon.
[Conclusion] These results may suggest that good vascular function contributes to a better running record in the marathon race.
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KEYWORD
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brachial-ankle pulse wave velocity (ba-PWV), exercise, full course marathon, arterial compliance
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