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Aim/introduction <p>This study investigated if immediately post-lunch exercise may improve postprandial hyperglycemia in individuals with prediabetes.</p> Materials and methods <p>The study consisted of a control phase involving no exercise and an exercise phase involving exercise. During both phases, participants were assessed for their AUC, RCMC and %TITR using CGM-derived postprandial data; they were also assessed for physical activity using a physical activity tracker and for energy intake using a dietary management application.</p> Results <p>Of the 43 males included, 23 were available for analysis. Their AUC values were significantly lower at post-lunch 1&#xa0;h in the exercise phase than in the control phase with their %TITR values being significantly higher in the exercise phase than in the control phase. Their cumulative AUC values were significantly lower for post-lunch 2, 3, and 4&#xa0;h in the exercise phase, with the cumulative %TITR values being also significantly higher. Their RCMC values were significantly lower for post-lunch 0–1 and 3–4&#xa0;h, and significantly higher for post-lunch 1–2&#xa0;h, in the exercise phase than in the control phase, with no difference for post-lunch 2–3&#xa0;h between the phases. They exhibited monophasic or biphasic glucose profiles in the exercise phase with significantly different AUC and %TITR values for post-lunch 0–4&#xa0;h, but no difference in HR reserve (HRR), energy intake or its composition.</p> Conclusion <p>In those with prediabetes, postprandial hyperglycemia improved with immediately post-lunch exercise, with significant improvements in cumulative AUC and %TITR values. Further study is required to clarify why they exhibited disparate glucose profiles.</p>

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Improving postprandial hyperglycemia in prediabetic, sedentary office workers with immediately post-lunch, intermediate-intensity exercise: a comprehensive evaluation using a physical activity tracker, a dietary management application, and continuous glucose monitoring

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  • 发表日期：

    2025年3月22日

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  • Keiko Koide,
  • Koichiro Azuma,
  • Yoshihito Atsumi

摘要

Aim/introduction

This study investigated if immediately post-lunch exercise may improve postprandial hyperglycemia in individuals with prediabetes.

Materials and methods

The study consisted of a control phase involving no exercise and an exercise phase involving exercise. During both phases, participants were assessed for their AUC, RCMC and %TITR using CGM-derived postprandial data; they were also assessed for physical activity using a physical activity tracker and for energy intake using a dietary management application.

Results

Of the 43 males included, 23 were available for analysis. Their AUC values were significantly lower at post-lunch 1 h in the exercise phase than in the control phase with their %TITR values being significantly higher in the exercise phase than in the control phase. Their cumulative AUC values were significantly lower for post-lunch 2, 3, and 4 h in the exercise phase, with the cumulative %TITR values being also significantly higher. Their RCMC values were significantly lower for post-lunch 0–1 and 3–4 h, and significantly higher for post-lunch 1–2 h, in the exercise phase than in the control phase, with no difference for post-lunch 2–3 h between the phases. They exhibited monophasic or biphasic glucose profiles in the exercise phase with significantly different AUC and %TITR values for post-lunch 0–4 h, but no difference in HR reserve (HRR), energy intake or its composition.

Conclusion

In those with prediabetes, postprandial hyperglycemia improved with immediately post-lunch exercise, with significant improvements in cumulative AUC and %TITR values. Further study is required to clarify why they exhibited disparate glucose profiles.