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The purpose of this study is to examine the effects nine weeks of intense exercise training will have on weight, inflammation, and intestinal bacteria composition of overweight and obese adults.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Exercise Only Group (EX) | Experimental | Participants will only receive the exercise protocol without nutrition education or counseling and instructed to continue to consume their regular diet. |
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| Exercise with CR-LC Group | Experimental | Participants will receive the exercise protocol and CR-LC Diet regimen. |
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| Exercise with Ancestral Diet (AD) Group | Experimental | Participants will receive the exercise protocol and AD regimen. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Exercise Protocol | Other | The exercise protocol consists of a nine-week progressive intense-conditioning program involving six consecutive days (Monday-Saturday) of one-hour exercises and one-day rest weekly for a total of 54 days of exercise. Exercises are performed in person as a group with other participating subjects and lead by certified instructors. Exercises will involve a variety of activities ranging from running, cycling, whole-body functional movements, power movements, and open-chain weight lifting with barbells and resistance bands. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in fecal microbiota diversity | Change in fecal microbiota alpha-diversity will be assessed via stool sample evaluation | Baseline, 9 weeks |
| Change in Bacteriodetes/Firmicutes ratio | Change in Bacteriodetes/Firmicutes ratio as assessed via stool sample evaluation | Baseline, 9 weeks |
| Percent change in fecal microbiota composition | Percent change in Bacteriodetes phyla and percent change of short-chain fatty acid-producing species as assessed via stool sample evaluation | Baseline, 9 weeks |
| Change in inflammatory markers | Change in serum inflammatory markers including Interleukin (IL)-1ß, IL-6, Tumor Necrosis Factor (TNF)-α and liposaccharide (LPS) evaluated in pg/ml. | Baseline, 9 weeks |
| Change in leptin/adiponectin ratio | Change in serum adipose markers assessed as change in leptin/adiponectin ratio. | Baseline, 9 weeks |
| Correlation of serum triglycerides with leptin levels | The correlation of the serum triglyceride levels will be evaluated against serum leptin levels. | Baseline, 9 weeks |
| Change in body weight | Change in body composition as evaluated as change in body weight measured in lbs. | Baseline, 9 weeks |
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Inclusion criteria:
Exclusion criteria:
1. Any subjects who do not meet all of the inclusion criteria and/or are unable to consent.
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| Name | Affiliation | Role |
|---|---|---|
| Wesley Smith, Ph.D. | University of Miami | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Miami | Miami | Florida | 33146 | United States |
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| ID | Term |
|---|---|
| D050177 | Overweight |
| D009765 | Obesity |
| ID | Term |
|---|---|
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
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| Calorie-Restrictive Low Carbohydrate Diet (CR-LC) | Other | Consists of weekly nutrition plans, counseling and monitoring by on-site registered dietitians and nutritionists for nine weeks. CR-LC consists of caloric and macronutrient restrictions. Caloric restrictions involves a 40% deficit from calculated total daily energy expenditure. Macronutrient restriction involves a high protein, low carbohydrate diet (35% protein, 25% carbohydrate and 40% fat). |
|
| Ancestral Diet (AD) | Other | Consists of weekly nutrition plans, counseling and monitoring by on-site registered dietitians and nutritionists for nine weeks. AD consists of consuming only whole foods and avoiding processed foods. Emphasis will be on food quality with no caloric or macronutrient restrictions. |
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| Change in resting metabolic rate | Change in body composition as evaluated as change in resting metabolic rate measured in Calories per day. | Baseline, 9 weeks |
| Change in body composition | Change in body composition as evaluated as change in body fat and lean body mass percentage | Baseline, 9 weeks |
| Change in waist circumference | Change in waist circumference measured in inches. | Baseline, 9 weeks |
| Change in blood pressure | Change in blood pressure assessed as systolic and diastolic pressure in mmHg. | Baseline, 9 weeks |
| Change in visceral fat | Change in visceral fat levels will be measured using InBody570 with scores ranging from 1-20, with the higher score indicating increased visceral fat (worse outcome). | Baseline, 9 weeks |
| D012816 |
| Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |