The Impact of Freedson Bout Vs. Non- Freedson Bout Physical Activity on Metabolic Syndrome Risk in College Students PDF Download
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Languages : en
Pages : 58
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Purpose The aim of this study is to examine moderate to vigorous physical activity in Freedson bouts compared to non-Freedson bouts and their association with Metabolic Syndrome risk factors in college students. Methods 72 subjects aged 18-26 were recruited from James Madison University. Subjects height, weight, waist circumference, blood pressure, and body composition were assessed on visit 1. Blood pressure, fasted blood glucose, and lipid profile were assessed on visit 2. Subjects wore an Actigraph GT3X+ accelerometer, which measured physical activity and sleep for 7 days and nights. Univariate Pearson correlation analyses were performed to determine the relationship physical activity variables and MetS risk factors. Variables determined to have the greatest correlation for each risk factor were used as independent variables in a step-wise, multiple linear regression to determine the best predictor for each MetS risk factor. Variables established as having the greatest correlation with MetS were evaluated as covariates. Statistical significance was set a priori at p0.05. Results Correlational analyses suggest the strongest predictors of MetS were daily average time in moderate activity, daily average MVPA, total number of Freedson bouts, total minutes in Freedson bouts, total MVPA, and total steps. Step count was the only significant predictor of waist circumference and systolic blood pressure (Rsup2/sup= 0.07; p0.05; Rsup2/sup= 0.14; p
Author:
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Languages : en
Pages : 58
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Book Description
Purpose The aim of this study is to examine moderate to vigorous physical activity in Freedson bouts compared to non-Freedson bouts and their association with Metabolic Syndrome risk factors in college students. Methods 72 subjects aged 18-26 were recruited from James Madison University. Subjects height, weight, waist circumference, blood pressure, and body composition were assessed on visit 1. Blood pressure, fasted blood glucose, and lipid profile were assessed on visit 2. Subjects wore an Actigraph GT3X+ accelerometer, which measured physical activity and sleep for 7 days and nights. Univariate Pearson correlation analyses were performed to determine the relationship physical activity variables and MetS risk factors. Variables determined to have the greatest correlation for each risk factor were used as independent variables in a step-wise, multiple linear regression to determine the best predictor for each MetS risk factor. Variables established as having the greatest correlation with MetS were evaluated as covariates. Statistical significance was set a priori at p0.05. Results Correlational analyses suggest the strongest predictors of MetS were daily average time in moderate activity, daily average MVPA, total number of Freedson bouts, total minutes in Freedson bouts, total MVPA, and total steps. Step count was the only significant predictor of waist circumference and systolic blood pressure (Rsup2/sup= 0.07; p0.05; Rsup2/sup= 0.14; p
Author: Jordan Christopher Donald Robson
Publisher:
ISBN:
Category :
Languages : en
Pages : 204
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Less than 15% of North American adults currently met the physical activity guidelines. These guidelines recommend that adults accumulate at least 150 minutes per week of moderate-to-vigorous physical activity (MVPA) in bouts of 10 minutes or more. Emerging evidence suggests that accumulating sporadic MVPA (i.e. physical activity performed in periods of less than 10 consecutive minutes) also has health benefits. Little is known about how much sporadic physical activity (SPA) adults get. Furthermore, it is not known if SPA needs to be of at least moderate intensity to convey health benefits. The purpose of this thesis was twofold: 1) to describe SPA levels and intensity patterns in adults, and 2) to investigate the relationship between various intensities of SPA and the metabolic syndrome. The metabolic syndrome is a clustering of risk factors for cardiovascular disease and diabetes. Data for the thesis research came from the National Health and Nutrition Examination Survey, a representative cross-sectional sample of adults from the United States. Physical activity was measured over 7 days using accelerometers, which are small electronic sensors worn on the hip. The metabolic syndrome was determined from direct body measurements and blood samples. Results of this thesis indicate that the typical American adult accumulates 103 minutes/day of SPA, which represented 27% of their total daily physical activity. Of these 103 minutes/day, only 2 minutes/day were of moderate-to-vigorous intensity. However, adults accumulated 16 minutes/day of MVPA that was embedded within bouts of primarily light intensity activity - is activity did not meet the MVPA bout criteria but it was not truly sporadic since it occurred within bouts of primarily light intensity activity. Accumulation of this iii embedded MVPA was as strongly related to the MetS as bouted MVPA. Conversely, sporadic light intensity physical activity was weakly associated with the metabolic syndrome. Together, these results suggest MVPA is commonly accumulated outside of the current recommended bout length and that this type of activity is strongly associated with the metabolic syndrome.
Author: Kazuyuki Kanosue
Publisher: Springer
ISBN: 4431553339
Category : Medical
Languages : en
Pages : 333
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The aim of this book is to present current views about physical activity and the benefits of physical activity in preventing and ameliorating various health conditions that are of worldwide concern. This book was developed as a compilation of the accomplishments of the five-year Global COE (Center of Excellence) “Sport Sciences for the Promotion of Active Life” Program at the Faculty of Sport Sciences of Waseda University, Saitama, Japan. The first part establishes the research methodology and discusses the current status of physical activity. Topics covered include the prevalence of physical inactivity and highly sedentary behavior in different populations as well as strategies that can be adopted to promote physical activity. The second part focuses on the physiological effects of physical activity. Topics covered include physiological responses to exercise by the autonomic nervous system, the endocrine system, vascular functioning, postprandial blood glucose control, and inflammatory processes. The relationship between exercise and appetite is discussed, as is the influence of exercise on food intake and weight regulation. Additionally, the influence of exercise on protein regulation and posttranslational modifications is introduced. The final part discusses the role of physical activity in preventing lifestyle-related health issues and improving the quality of life, especially for the elderly. The contents should be of interest to anyone who is concerned with the human physiologic response to exercise and the promotion of healthy lifestyles, including sports and exercise science researchers as well as those involved with medicine, public health, physiology, nutrition, and elder care.
Author: Committee on Physical Activity and Physical Education in the School Environment
Publisher: National Academies Press
ISBN: 0309283140
Category : Medical
Languages : en
Pages : 503
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Physical inactivity is a key determinant of health across the lifespan. A lack of activity increases the risk of heart disease, colon and breast cancer, diabetes mellitus, hypertension, osteoporosis, anxiety and depression and others diseases. Emerging literature has suggested that in terms of mortality, the global population health burden of physical inactivity approaches that of cigarette smoking. The prevalence and substantial disease risk associated with physical inactivity has been described as a pandemic. The prevalence, health impact, and evidence of changeability all have resulted in calls for action to increase physical activity across the lifespan. In response to the need to find ways to make physical activity a health priority for youth, the Institute of Medicine's Committee on Physical Activity and Physical Education in the School Environment was formed. Its purpose was to review the current status of physical activity and physical education in the school environment, including before, during, and after school, and examine the influences of physical activity and physical education on the short and long term physical, cognitive and brain, and psychosocial health and development of children and adolescents. Educating the Student Body makes recommendations about approaches for strengthening and improving programs and policies for physical activity and physical education in the school environment. This report lays out a set of guiding principles to guide its work on these tasks. These included: recognizing the benefits of instilling life-long physical activity habits in children; the value of using systems thinking in improving physical activity and physical education in the school environment; the recognition of current disparities in opportunities and the need to achieve equity in physical activity and physical education; the importance of considering all types of school environments; the need to take into consideration the diversity of students as recommendations are developed. This report will be of interest to local and national policymakers, school officials, teachers, and the education community, researchers, professional organizations, and parents interested in physical activity, physical education, and health for school-aged children and adolescents.
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309262879
Category : Medical
Languages : en
Pages : 229
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Physical fitness affects our ability to function and be active. At poor levels, it is associated with such health outcomes as diabetes and cardiovascular disease. Physical fitness testing in American youth was established on a large scale in the 1950s with an early focus on performance-related fitness that gradually gave way to an emphasis on health-related fitness. Using appropriately selected measures to collected fitness data in youth will advance our understanding of how fitness among youth translates into better health. In Fitness Measures and Health Outcomes in Youth, the IOM assesses the relationship between youth fitness test items and health outcomes, recommends the best fitness test items, provides guidance for interpreting fitness scores, and provides an agenda for needed research. The report concludes that selected cardiorespiratory endurance, musculoskeletal fitness, and body composition measures should be in fitness surveys and in schools. Collecting fitness data nationally and in schools helps with setting and achieving fitness goals and priorities for public health at an individual and national level.
Author: Mary Catherine Nagle
Publisher:
ISBN:
Category : Exercise
Languages : en
Pages : 78
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Author: American College of Sports Medicine
Publisher: Lippincott Williams & Wilkins
ISBN: 1496387813
Category : Medical
Languages : en
Pages : 1707
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ACSM’s Clinical Exercise Physiology adapts and expands upon the disease-related content from ACSM’s Resource Manual for Guidelines for Exercise Testing and Prescription, 7th Edition, to create a true classroom textbook. This new resource offers research-based coverage of more than 35 conditions commonly seen in practice—from a host of cardiovascular disorders to immunological/hematological disorders. Condition chapters are organized by disease types and then divided into sections that cover specific conditions from a pathological and etiological perspective. To provide a complete view of clinical exercise physiology, the book also covers important considerations and foundational elements, such as screening, pharmacology, and electrocardiography. As an American College of Sports Medicine publication, the text offers the unsurpassed quality and excellence that has become synonymous with titles by the leading exercise science organization in the world.
Author:
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ISBN:
Category : Exercise for children
Languages : en
Pages :
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Author: Jessica Currie
Publisher:
ISBN:
Category : Metabolic syndrome
Languages : en
Pages : 123
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The purpose of this study was to determine the effects of a two month telephone-based intervention in obese adolescents (BMI percentile [greater than or equal to] 95th percentile) on physical activity habits and motivation to be physically active. A secondary purpose was to assess the effects of the telephone-based intervention on individual components of the metabolic syndrome (i.e., blood pressure, waist circumference, and HDL-cholesterol). The final purpose of the study was to determine clinic follow-up rates of the participants after the intervention. Participants (n=29) were recruited at their initial visit to a medical clinic focusing on pediatric obesity and were randomly placed into a control (n=13) or intervention (n=16) group. Measurements taken included resting blood pressure and heart rate, height, weight, and waist circumference. Blood draws were obtained to measure total cholesterol, HDL-cholesterol and quantify non-HDL-cholesterol. Questionnaires completed included the Youth Risk Behavior Survey, Behavior Regulation of Exercise Questionnaire-2, a physical activity barriers questionnaire, and a demographic survey. The measurements and questionnaires were completed pre and post intervention. All participants received a New Lifestyles NL-800 pedometer and pedometer log to measure their physical activity for one week pre and post intervention. The participants in the intervention group received weekly newsletters and phone calls on various physical activity topics for seven weeks. During the seven week period, the control participants received no contact except for two phone calls to obtain baseline pedometer data and to remind participant of follow-up appointment. A series of 2x2 (group by time) repeated measures ANOVA adjusting for length of time between visits were performed to examine the effect of the intervention on physical activity levels and specific components of the metabolic syndrome. Pedometer steps did not have significant main or interaction effects and effect sizes were small (ES= -0.03 for controls and ES=0.07 for intervention). A trend for significant time and group interaction effect (p=0.06) was seen for BMI z-score where the control group decreased their BMI z-score (ES= -0.96) and the intervention group increased their BMI z-score (ES= 0.43). Waist circumference showed no significant main and interaction effects (p>0.05). No main or interaction effects for systolic blood pressure. Diastolic blood pressure had a significant group effect (p
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Category :
Languages : en
Pages : 134
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