NCT01687803已完成不适用
Evaluating the Health Benefits of Physical Activity Recommendations in the Dietary Guidelines
USDA, Western Human Nutrition Research Center0 个研究点目标入组 37 人开始时间: 2006年10月1日最近更新:
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 37
- 主要终点
- Change in compliance with exercise
研究概览
简要总结
The overall goal of this study is to determine the health benefits associated with the 2005 Dietary Guidelines physical activity prescription in healthy, peri-menopausal women. The 2005 Dietary Guidelines specifically state that to avoid unhealthy weight gain, adults should participate in 60 minutes of moderate to vigorous intensity physical activity on most days of the week.
详细描述
This study will be a randomized controlled trial conducted over a 6 to 7 month period. Subjects will be enrolled by cohorts and randomly assigned to one of two groups.
- Group 1 (PA): physical activity intervention that will consist of brisk walking or other aerobic-type activities (6 days per week), resistance exercise (using free weights, resistance bands or weight stacks for weight lifting, 3 days per week), and 'active lifestyle' activities such as gardening, dancing, participation in sporting activities. The total time spent in these activities will add up to ~60 min/day for 6 days/week (~360 minutes per week).
- Group 2 (CON): control group will maintain their usual level of physical activity and participate in testing protocols, record keeping, and interviews on the same schedule as PA. This group will be offered an opportunity to have a gym membership/access to the training facility after completion of the 6-month period of serving as controls.
The specific aims of this pilot study are to:
- Assess each participant's level of compliance/adherence
- Assess the dietary habits of study participants as they become more physically active.
- Identify barriers to physical activity in this specific population.
- Measure changes in body composition, physical fitness and energy expenditure.
- Evaluate changes in chronic disease risk factors.
- Determine if regular physical activity reduces chronic stress.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Basic Science
- 盲法
- Single (Investigator)
入排标准
- 年龄范围
- 42 Years 至 52 Years（Adult）
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •Body Mass Index: 18.5 to 29.9 kg/m2
- •Peri-menopause, as determined by self-report of menstrual history and symptoms for previous 12 months
- •Sedentary lifestyle
排除标准
- •Individuals who are already physically active
- •Pregnant or nursing within the last 6 months
- •Plan to become pregnant during the study
- •Musculoskeletal disease or disorder which is expected to limit participation in physical activity
- •Orthopedic injuries
- •Inflammatory arthritis or autoimmune disorders
- •Neuromuscular disorders including multiple sclerosis, amyotrophic lateral sclerosis, Parkinson's disease
- •Menopause confirmed
- •Use of tobacco products
- •Family history of premature cardiovascular disease as defined by the ACSM guidelines
- •Cardiovascular including a history of cardiac arrest; coronary heart disease, complex ventricular arrhythmia or atrial arrhythmia at rest or with exercise, congestive heart failure, cardiomyopathy, hemodynamically significant valvular heart disease, left bundle block, cardiac pacemaker; implanted cardiac defibrillator; history of aortic aneurysm of at least 7 cm in diameter or aortic aneurysm repair; resting heart rate < 45 beats per minute or > 100 beats per minute
- •Chronic lung disease resulting in dyspnea at rest or with minimal exertion, lung disease resulting in hypoxia or hypercapnia at rest or with exercise, pulmonary embolus within 6 months, active tuberculosis
- •Presence of risk factors for cardiovascular or metabolic disease:
- •Hypertension (SBP ≥140 mm Hg and/or DBP ≥ 90 mm Hg); hypertension treated by beta adrenergic blockers regardless of blood pressure
- •Elevated fasting LDL cholesterol (≥160 mg/dL)
- •Elevated fasting triglycerides (≥300 mg/dL)
- •Diagnosed diabetes mellitus or elevated fasting glucose (≥126 mg/dL), adrenal disease, acromegaly, or thyroid disease requiring medication change or other treatment within the previous 3 months
- •Weight change greater than 10 lbs in the preceding 6 months
- •Medications: chronic corticosteroid use or need for oral corticosteroids more than twice in the last 12 months, antipsychotic medications, beta adrenergic blockers, medications for weight loss (including sibutramine, orlistat, phentermine, phendimetrazine, topiramate, zonisamide), immunosuppressants, amphetamines and other stimulants, and other medications known to influence body weight
- •Travel plans that do not permit full participation
结局指标
主要结局
Change in compliance with exercise
时间窗: 0, 3 and 6 months
The Actiheart (MiniMitter, Bend OR) physical activity and heart rate logger is a motion sensor and heart rate monitor worn by subjects 24 hours per day(excluding bathing and swimming) for one week to determine the level of physical activity. Subjects will also use a pedometer to record the number of steps taken during their walking sessions. The Stanford 7 day Physical Activity recall questionnaire will also be used to assess physical activity.
次要结局
- Change in dietary intake(0, 6 months)
- Change in body composition(0, 3, and 6 months)
- Change in Chronic Disease Risk Assessment(0, 3 and 6 months)
- Change in measures of stress(0, 3 and 6 months)
- Change in aerobic fitness(0, 3, and 6 months)
- Change in measures of muscle strength(0, 3, and 6 months)
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