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|標題:||A Single Bout of Exercise Reduces Postprandial Lipemia but Has No Delayed Effect on Hemorheological Variables||作者:||Chiu, Chih-Hui
Liang, Hong Jen
|關鍵字:||blood viscosity;endurance exercise;erythrocyte aggregation degree;hemorheology;high-fat meal;Biomarkers;Dietary Fats;Dyslipidemias;Erythrocytes;Healthy Volunteers;Humans;Lipoproteins, LDL;Male;Taiwan;Time Factors;Triglycerides;Walking;Young Adult;Blood Viscosity;Exercise;Postprandial Period||Project:||The Chinese journal of physiology, Volume 61, Issue 3, Page(s) 181-187.||摘要:||
High plasma triglyceride (TG) concentration in fasting state could cause hemorheological abnormality, thus increasing the incidence of metabolic diseases. Exercise has been reported to effectively reduce postprandial TG response. This study aimed to investigate whether a single bout of pre-prandial exercise can affect lipemia and hemorheological variables after a high-fat meal. Nine healthy young male subjects completed two experimental trials. The subjects walked for 1 h at 50% maximal oxygen uptake (V̇O₂max) (the exercise, EX trial), or rested (the control, CON trial). In the next morning, the subjects consumed a high-fat meal, and the postprandial lipemia and hemorheological responses were monitored for 6 h. The results showed that postprandial plasma TG concentrations were significantly lower in the EX trial compared to the CON trial. The postprandial low-density lipoproteins (LDL) concentration declined in the first 2 h and then gradually returned to the baseline level in both trials. The postprandial blood viscosity also decreased in the CON trial. There was no significant difference in postprandial blood viscosity, red blood cell (RBC) deformation index and aggregation degree between the trials. There was no significant correlation between plasma TG concentration and blood viscosity. In conclusion, brisk walking effectively reduced postprandial TG concentration, but has no significant impact on postprandial blood viscosity, RBC deformation index and RBC aggregation index.
|Appears in Collections:||運動與健康管理研究所|
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