Effects of Postprandial Walking and Resistance Snacking on Glucose Responses in Adults With Metabolic Syndrome

Sponsor
Seoul National University
Study ID
NCT07620886
Status
Not Yet Recruiting

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Conditions

  • Metabolic Syndrome
  • Prediabetes

Eligibility Criteria

Sex
ALL
Age
40 Years - 65 Years
Healthy Volunteers
Not accepted

Interventions

  • Postprandial walking — BEHAVIORAL
    Participants will perform 15 minutes of light-to-moderate walking after consuming a standardized meal. Walking intensity will be monitored using heart rate and rating of perceived exertion.
  • Brief resistance exercise snacks — BEHAVIORAL
    Participants will perform 3-minute bouts of body-weight resistance exercises every 20 minutes during the postprandial period after consuming a standardized meal. The exercise bouts will include squats and calf raises.

Study Details

This study will examine whether light physical activity after meals can improve 24-hour glucose responses in adults with metabolic syndrome and prediabetes. Participants will complete three experimental conditions in a randomized crossover order: prolonged sitting, 15 minutes of postprandial walking, and brief resistance exercise snacks consisting of squats and calf raises performed every 20 minutes during the postprandial period. Continuous glucose monitoring will be used to assess 24-hour glucose responses, and heart rate variability will be measured during the 2-hour postprandial period to evaluate acute autonomic responses. The main outcome is 24-hour mean glucose derived from continuous glucose monitoring.

Key Dates

First listed
Jun 2, 2026
Start date
Jun 15, 2026
Status verified
May 2026
Primary completion
Sep 30, 2026
Completion
Oct 31, 2026

Study Design

Enrollment
25 participants (estimated)
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
PREVENTION

Arms

  • No Intervention: Prolonged Sitting
    Participants will remain seated during the 2-hour postprandial period after consuming a standardized meal.
  • Experimental: Postprandial Walking
    Participants will perform 15 minutes of light-to-moderate walking after consuming a standardized meal.
  • Experimental: Brief Resistance Exercise Snacks
    Participants will perform 3-minute bouts of body-weight resistance exercises, including squats and calf raises, every 20 minutes during the postprandial period after consuming a standardized meal.

Primary Outcome Measure

24-hour mean glucose [ Time Frame: 24 hours after each experimental condition ]

Central Contacts

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