Just 3 days of sitting more may harm older adults' blood vessels and blood sugar

NCT ID NCT04812392

Completed Knowledge-focused Sponsor: Leryn Reynolds Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at what happens when active older adults (55+) reduce their physical activity for just 3 days. Researchers measured changes in blood sugar after meals and blood vessel function, comparing them to younger adults. The goal was to see how quickly inactivity can affect health in aging bodies.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If this study provides clear results, it could help explain how quickly inactivity harms blood vessel function and blood sugar control in older adults, guiding future prevention strategies.
What could go wrong: This is a small, completed observational study with only 20 participants. It does not test a treatment, so it cannot directly lead to a therapy. Results may not apply to less active or less healthy individuals.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder diabetes mellitus glucose intolerance Sedentary Behavior

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

AGING CARDIOVASCULAR DISEASES GLUCOSE INTOLERANCE

Contacts and locations

Locations

Old Dominion University

Norfolk, Virginia, 23508, United States

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