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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.
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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Strength Snacks | Experimental | Participants will do 4 strength snacks throughout each work day, 2 of them post-prandial if possible. |
|
| Walk Snacks | Active Comparator | Participants will take 4 x2 minute walk breaks throughout the sedentary workday, two of them post-prandial if possible. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Sitting breaks | Behavioral | Participants will take 2 minute physical movement breaks throughout a sedentary work day. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in average area under the curve for glucose from a 10 day continuous glucose monitors | Change from pre to post in average area under the curve for glucose from a 10 day continuous glucose monitors | from baseline to post (8 weeks) |
| Measure | Description | Time Frame |
|---|---|---|
| Change in strength from pre to post | As many reps as possible of squats wearing a weighted vest with 20% of their bodyweight | from baseline to 8 weeks |
| Change in endurance from pre to post | As long as possible in as low as possible wall sit (matching pre and post joint angles for participant) |
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Inclusion Criteria:
-
Identify inclusion criteria.
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Stanford Prevention Research Center | Recruiting | Palo Alto | California | 94304 | United States |
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| from baseline to 8 weeks |
| Change in one legged strength from pre to post | As many reps as possible standing up from a seated position on one leg and sitting back down | from baseline to 8 weeks |