Different Patterns of Walking and Postprandial Triglycerides in Older Women

Kyoko Kashiwabara, Tetsuhiro Kidokoro, Takuma Yanaoka, Stephen F. Burns, David J. Stensel, Masashi Miyashita*

*この研究の対応する著者

研究成果: Article査読

14 被引用数 (Scopus)

抄録

Purpose: Although a single bout of continuous exercise (Q30 min) reduces postprandial triglyceride (TG), little evidence is available regarding the effect of multiple short (e10 min) bouts of exercise on postprandial TG in individuals at increased risk for cardiovascular diseases. This study compared the effects of different patterns of walking on postprandial TG in postmenopausal, older women with hypertriglyceridemia. Methods: Twelve inactive women (mean age T SD, 71 T 5 yr) with hypertriglyceridemia (fasting TG Q1.70 mmolILj1) completed three, 1-d laboratory-based trials in a random order: 1) control, 2) continuous walking, and 3) multiple short bouts of walking. On the control trial, participants sat in a chair for 8 h. For the walking trials, participants walked briskly in either one 30-min bout in the morning (0900-0930 h) or twenty 90-s bouts over 8 h. Except for walking, both exercise trials mimicked the control trial. In each trial, participants consumed a standardized breakfast (0800 h) and lunch (1100 h). Venous blood samples were collected in the fasted state and at 2, 4, 6, and 8 h after breakfast. Results: The serum TG incremental area under the curve was 35% and 33% lower on the continuous and multiple short bouts of walking trials than that on the control trial (8.2 T 3.1 vs 8.5 T 5.4 vs 12.7 T 5.8 mmol per 8 hILj1, respectively; main effect of trial: effect size = 0.459, P = 0.001). Conclusions: Accumulating walking in short bouts limits postprandial TG in at-risk, inactive older women with fasting hypertriglyceridemia.

本文言語English
ページ(範囲)79-87
ページ数9
ジャーナルMedicine and Science in Sports and Exercise
50
1
DOI
出版ステータスPublished - 2018 1月 1

ASJC Scopus subject areas

  • 整形外科およびスポーツ医学
  • 理学療法、スポーツ療法とリハビリテーション

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