Miyashita M, Takahashi M, Burns S
Tokyo Gakugei University, Department of Health and Sports Sciences, Koganei, Japan.
Waseda University, Faculty of Sport Sciences, Tokorozawa, Japan.
Int J Sports Med. 2014 Dec;35(13):1059-64. doi: 10.1055/s-0034-1372641. Epub 2014 Jun 30.
This study examined the acute effect of increased participation in weekend physical activity on postprandial lipemia in postmenopausal women. Ten postmenopausal women, aged 63±4 years (mean±SD), completed 2 trials in a random order: 1) control trial and 2) active trial. In the control trial, participants maintained their usual weekend lifestyle. In the active trial, participants increased their weekend activities above their usual lifestyle levels, freely deciding the duration and intensity of their chosen activities. On Monday of each trial, participants rested and consumed a standardised breakfast and lunch. Capillary blood samples were collected in the fasted state (0 h) and at 2, 4 and 6 h after eating. In the active trial, participants increased their moderate to vigorous weekend physical activity by 16 min (mean±SD: 12.3±6.7 min vs. 27.9±11.9 min, P=0.009). Area under the capillary triacylglycerol concentration vs. time curve was 13% lower in the active trial than control trial (8.8±3.8 vs. 10.1±3.9 mmol/L∙6 h, P=0.024). These findings demonstrate that small increases in moderate to vigorous physical activity under a real-life setting lowers postprandial lipemia in postmenopausal women.
本研究探讨了绝经后女性增加周末体育活动对餐后血脂的急性影响。10名63±4岁（均值±标准差）的绝经后女性，按随机顺序完成了2项试验：1）对照试验和2）活动试验。在对照试验中，参与者维持其通常的周末生活方式。在活动试验中，参与者将周末活动增加至高于其通常生活方式的水平，自由决定其所选活动的持续时间和强度。在每项试验的周一，参与者休息并食用标准化的早餐和午餐。在空腹状态（0小时）以及进食后2、4和6小时采集毛细血管血样。在活动试验中，参与者将其周末中度至剧烈体育活动增加了16分钟（均值±标准差：12.3±6.7分钟对27.9±11.9分钟，P = 0.009）。活动试验中毛细血管甘油三酯浓度与时间曲线下面积比对照试验低13%（8.8±3.8对10.1±3.9毫摩尔/升∙6小时，P = 0.024）。这些发现表明，在现实生活环境中，适度增加中度至剧烈体育活动可降低绝经后女性的餐后血脂。
