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Investigating the effects of interrupting various lengths of prolonged sitting with bike sprints on post prandial lipemia the next day. We will conduct three trials, one control, one with two-hour sitting intervals (total of 4 bouts of bike sprints) and one with 6-hour sitting intervals I total of two bouts of bike sprints). A milkshake high fat tolerance test will be conducted the next day and whole body fat oxidation as well as triglyceride area under the curve will be measured every hour for the duration of the 6-hour test.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control group-no exercise | No Intervention | A no-exercise control. Must maintain <4,500 steps per day for 3 consecutive days followed by a high fat tolerance test on day 4. | |
| Exercise intervention 1 | Experimental | Two consecutive days of <4,500 steps per day followed by an intervention day on day 3. Intervention day consists of interrupting 8-hour sit with bike sprint protocol every 2 hours. Participants must aim to maintain <2,500 steps on intervention day. A high fat tolerance test will be performed the following day on day 4. |
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| Exercise intervention 2 | Experimental | Two consecutive days of <4,500 steps per day followed by an intervention day. Intervention day consists of interrupting 8-hour sit with bike sprint protocol every 6 hours. Participants must aim to maintain <2,500 steps on intervention day. A high fat tolerance test will be performed the following day on day 4. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Interrupting Prolonged Sitting with Periodic Interval Exercise: Effect on Postprandial Lipemia | Behavioral | This is a behavioral intervention designed to determine the effect of breaking up prolonged bouts of sitting every 2 hours and every 6 hours with 5 sets of 4 second bouts of maximum effort bicycle ergometer accelerations compared to sitting alone on the blood triglyceride response and whole body fat oxidation after a high fat meal. |
| Measure | Description | Time Frame |
|---|---|---|
| Triglyceride area under the curve | Blood measurements baseline and every hour during a high fat tolerance test. | 6 hour long high fat tolerance test |
| Measure | Description | Time Frame |
|---|---|---|
| Whole body fat oxidation | Expired gas collection and measurement of expired gas concentrations in mass spectrometer, baseline and every two hours during high fat tolerance test. | 10 min, baseline, 2 hours post ingestion of shake, 4 hours, 6 hours. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Rebecca braden, BS | Contact | 4422156656 | rebecca.braden@utexas.edu | |
| Edward Coyle, PhD | Contact | 512 471 8596 | coyle@austin.utexas.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Texas, Austin | Austin | Texas | 78705 | United States |
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|
| ID | Term |
|---|---|
| D057185 | Sedentary Behavior |
| D015228 | Hypertriglyceridemia |
| ID | Term |
|---|---|
| D001519 | Behavior |
| D006949 | Hyperlipidemias |
| D050171 | Dyslipidemias |
| D052439 | Lipid Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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