Recruiting

Activity Breaks

Sponsor:

Stanford University

Code:

NCT06909097

Conditions

Sedentary Employees

Eligibility Criteria

Sex: All

Age: 30+

Healthy Volunteers: Accepted

Interventions

Sitting breaks

Study Details

Brief summary:

This study investigates the benefits of two different types of 2 minute activity breaks during sedentary workdays for people who sit for long periods of time in sedentary jobs.

Conditions

Sedentary Employees

Study ID

NCT06909097

Start date

Oct 5, 2024

Status verified date

Jun, 2025

Completion date

Dec 1, 2026

Anticipated

Primary completion date

Dec 1, 2026

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 30+

Healthy Volunteers: Accepted

Inclusion Criteria:

\-

Identify inclusion criteria.

1. Sedentary occupation (e.g., clerical work, data entry, call center, receptionists)
2. Full time employment remote or on-site
3. Able to safely perform bodyweight squats and lunges
4. Over 30 years old
5. Not currently doing a strength training program
6. Not currently taking planned activity breaks at work
7. Has a smart phone with a camera and unlimited text plans
8. Interested in participating
9. Fluent in English
10. Not currently on insulin or any glucose lowering medication

Exclusion Criteria:

1. Yes to any of the physical activity readiness criteria questionnaire (e.g. cardiac symptoms with increasing heart rate, dizziness upon performing exercise)
2. Participating in another research study on diet, weight loss, or any physical activity.
3. If their doctor has ever said to not strength train
4. Having insulin dependence

Study Design

Enrollment

40 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Prevention

Interventions and Outcome Measures

Arms

experimental: Strength Snacks

Participants will do 4 strength snacks throughout each work day, 2 of them post-prandial if possible.

active comparator: Walk Snacks

Participants will take 4 x2 minute walk breaks throughout the sedentary workday, two of them post-prandial if possible.

Interventions

Sitting breaks

Participants will take 2 minute physical movement breaks throughout a sedentary work day.

Primary outcome measure

  • Change in average area under the curve for glucose from a 10 day continuous glucose monitors [ Time Frame: from baseline to post (8 weeks) ]

Central Contacts and Locations

Locations

Stanford Prevention Research Center

Recruiting

Palo Alto, California, United States, 94304

Contacts

Principal Investigator:

Marily Oppezzo, PhD, MS, RDN, DipACLM

More Information

Sponsor

Stanford University

Last update posted

Jun 25, 2026

Last verified

Jun, 2025

Keywords

  • physical activity breaks
  • prolonged sitting breaks

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by Stanford University on 2026-06-25.