The Journal of clinical endocrinology and metabolism · 2025
Light Walking Patterns and Postprandial Cardiometabolic Responses in Young Obese Adults: A Randomized Crossover Study.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Wongpipit Waris, Dempsey Paddy C, Zhang Xiaoyuan, Poon Eric Tsz-Chun, Darumas Nattapak, Miyashita Masashi, Kulaputana Onanong
Аннотация
CONTEXT: Recent studies suggest that light-intensity physical activity may enhance cardiometabolic health and reduce mortality risk in adults. However, more information is required to understand the patterns of light-intensity physical activity and postprandial cardiometabolic health.
OBJECTIVE: This study examined the effects of different light-intensity walking patterns on postprandial cardiometabolic responses in young obese adults.
DESIGN: A randomized crossover trial was conducted.
SETTING: The study was conducted in the laboratory.
PARTICIPANTS: The study analyzed baseline (fasting) and 6-hour postprandial concentrations of glucose, insulin, triglycerides, and blood pressure (BP) in 16 young obese adults.
INTERVENTIONS: Participants underwent 4 7-hour experimental conditions with a 7- to 20-day washout period: uninterrupted sitting (SIT), 30-minute light-intensity walking (EX + SIT), 3-minute light-intensity walking every 30 minutes (BR), and 30-minute light-intensity walking with 3-minute light-intensity walking every 30 minutes (EX + BR).
MAIN OUTCOME MEASURES: Incremental areas under the curve (iAUC) for each outcome and average BP were compared between SIT and walking conditions.
RESULTS: Compared with SIT, all walking conditions reduced iAUCs for glucose and average diastolic BP (all P < .05). Only EX + SIT and EX + BR reduced iAUCs for insulin (P < .05). No significant differences were found for triglycerides iAUC and systolic BP between the 4 conditions (all P > .05).
CONCLUSION: All patterns of light-intensity walking reduced postprandial glucose concentrations and diastolic BP in young obese adults, suggesting benefits for glycemic control. Continuous 30-minute light-intensity walking alone or combined with brief 3-minute bouts also attenuated postprandial insulin concentrations, highlighting light-intensity walking as a promising strategy for improving cardiometabolic health in young obese adults.
CLINICAL TRIAL REGISTRATION: TCTR20220311001, Thaiclinicaltrials.org.
OBJECTIVE: This study examined the effects of different light-intensity walking patterns on postprandial cardiometabolic responses in young obese adults.
DESIGN: A randomized crossover trial was conducted.
SETTING: The study was conducted in the laboratory.
PARTICIPANTS: The study analyzed baseline (fasting) and 6-hour postprandial concentrations of glucose, insulin, triglycerides, and blood pressure (BP) in 16 young obese adults.
INTERVENTIONS: Participants underwent 4 7-hour experimental conditions with a 7- to 20-day washout period: uninterrupted sitting (SIT), 30-minute light-intensity walking (EX + SIT), 3-minute light-intensity walking every 30 minutes (BR), and 30-minute light-intensity walking with 3-minute light-intensity walking every 30 minutes (EX + BR).
MAIN OUTCOME MEASURES: Incremental areas under the curve (iAUC) for each outcome and average BP were compared between SIT and walking conditions.
RESULTS: Compared with SIT, all walking conditions reduced iAUCs for glucose and average diastolic BP (all P < .05). Only EX + SIT and EX + BR reduced iAUCs for insulin (P < .05). No significant differences were found for triglycerides iAUC and systolic BP between the 4 conditions (all P > .05).
CONCLUSION: All patterns of light-intensity walking reduced postprandial glucose concentrations and diastolic BP in young obese adults, suggesting benefits for glycemic control. Continuous 30-minute light-intensity walking alone or combined with brief 3-minute bouts also attenuated postprandial insulin concentrations, highlighting light-intensity walking as a promising strategy for improving cardiometabolic health in young obese adults.
CLINICAL TRIAL REGISTRATION: TCTR20220311001, Thaiclinicaltrials.org.