Sedentary Behavior Interrupted: A Trial of Acute Effects on Biomarkers of Healthy Aging

Participants will visit the clinic for a 6-hour monitoring period. Following a 1-hour sitting run-in period, participants will sit for an additional 5-hour period including a 2-min stand every 15 min throughout the 5-hr protocol period. Baseline, mid-point, and end-of-visit bathroom breaks for urine sample collection will be conducted, with additional bathroom breaks allowed as needed.

Participants will visit the clinic for a 6-hour monitoring period. Following a 1-hour sitting run-in period, participants will sit for an additional 5-hour period including 5 8-minute standing interruptions, 1 per hour. Baseline, mid-point, and end-of-visit bathroom breaks for urine sample collection will be conducted, with additional bathroom breaks allowed as needed.