Better Breaks: Strength Breaks vs Walk Breaks for Sedentary Behavior Breaks

NCT ID: NCT06909097

Last Updated: 2025-04-03

Basic Information

• Recruitment Status: RECRUITING
• Clinical Phase: NA
• Total Enrollment: 40 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2024-10-05
• Study Completion Date: 2026-03-01

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.

Detailed Description

For this study, participants are randomly assigned to one of two physical activity breaks and for 8 weeks are to do 4 per day and track their daily breaks and productivity. There are many measurements including: in-person strength assessments at baseline, 1 month, and 2 months; daily tracking of breaks; pre and post oral glucose tolerance tests; pre and post 10-day diet tracking; pre and post 10-day Continuous Glucose Monitoring with a Dexcom; genome with saliva at pre; and -omics at pre and post.

Conditions

Sedentary Employees

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: PREVENTION
• Blinding Strategy: SINGLE

Study Groups

Strength Snacks

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

Group Type: EXPERIMENTAL

Sitting breaks

Intervention Type: BEHAVIORAL

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

Walk Snacks

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

Group Type: ACTIVE_COMPARATOR

Sitting breaks

Intervention Type: BEHAVIORAL

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

Interventions

Sitting breaks

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

Intervention Type: BEHAVIORAL

Eligibility Criteria

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

• Minimum Eligible Age: 30 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Stanford University

OTHER

Sponsor Role: lead

Responsible Party

Marily Ann Oppezzo

Instructor Medicine - Med/Stanford Prevention Research Center

Responsibility Role: PRINCIPAL_INVESTIGATOR

Locations

Stanford Prevention Research Center

Palo Alto, California, United States

Site Status: RECRUITING

Countries

United States

Facility Contacts

Marily Oppezzo, PhD, MS, RDN, DipACLM

Role: primary

betterbreaks@stanford.edu

xxx-xxx-xxxx

Jessie Moore, MS

Role: backup

moveofteneveryday@stanford.edu

xxx-xxx-xxxx

Other Identifiers

73022

Identifier Type: -

Identifier Source: org_study_id