Energy Restriction Effects On Estrogen Status And The Skeletal Response To Loading

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Energy Restriction Effects on Estrogen Status and the Skeletal Response to Loading

Author : Sibyl Nichole Swift
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (761 download)

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Book Synopsis Energy Restriction Effects on Estrogen Status and the Skeletal Response to Loading by : Sibyl Nichole Swift

Download or read book Energy Restriction Effects on Estrogen Status and the Skeletal Response to Loading written by Sibyl Nichole Swift and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Moderate energy restriction in young, exercising women attenuates the positive effects of exercise on bone density. Studies have shown that in the absence of adequate levels of circulating estrogen, there may not be enough functional estrogen receptor-a (ER-a) to respond adequately to loading. The experiment described in this document is significant because this model has not been explored under conditions of energy restriction (EnR) which are known to reduce circulating estrogen levels; it has been tested only in ovariectomized animals. The central hypothesis of this research is that reductions in estrogen due to EnR limit the ability of bone to respond to mechanical loading (LOAD) through a down-regulation of ER-a. Study one determined which nutrient's (calcium or energy) restriction ( -40 percent) had the greatest negative effects on the skeletal integrity of exercising female rats and whether exercise (EX) could mitigate these deleterious changes. EnR caused detrimental effects in many of the structural properties of bone; however EX attenuated losses in cancellous bone. Study two ascertained whether EX maintained cancellous bone mass in female rats subjected to graded EnR ( -20 or -40 percent) and whether changes in endocrine factors were related. EX preserved cancellous bone volume and osteoblast activity under both levels of EnR, in addition to total body lean mass and bone mineral content. A similar maintenance of serum insulin-like growth factor and estradiol occurred in the EX EnR(40 percent) group suggesting that these changes may be related to the protective effects of EX. Study three determined the effects of 40 percent EnR on bone formation rate to LOAD in young adult female rats and tracked alterations in ovarian function (estradiol). Although higher than non-loaded animals, the response of bone to LOAD in EnR animals was dampened in comparison to energy-replete animals. The experiments described in this document are significant because these are the first experiments to explore the relationship between EnR and estrogen levels on cancellous bone response to LOAD. This is particularly important for physically active, energy restricted women because cancellous bone in these women will not experience the same effects of loading which can increase their risk for developing osteoporosis.

Bone Health and Osteoporosis

Author : United States Public Health Service
Publisher :
ISBN 13 : 9781410219275
Total Pages : 0 pages
Book Rating : 4.2/5 (192 download)

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Book Synopsis Bone Health and Osteoporosis by : United States Public Health Service

Download or read book Bone Health and Osteoporosis written by United States Public Health Service and published by . This book was released on 2004-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first-ever Surgeon General's Report on bone health and osteoporosis illustrates the large burden that bone disease places on our Nation and its citizens. Like other chronic diseases that disproportionately affect the elderly, the prevalence of bone disease and fractures is projected to increase markedly as the population ages. If these predictions come true, bone disease and fractures will have a tremendous negative impact on the future well-being of Americans. But as this report makes clear, they need not come true: by working together we can change the picture of aging in America. Osteoporosis, fractures, and other chronic diseases no longer should be thought of as an inevitable part of growing old. By focusing on prevention and lifestyle changes, including physical activity and nutrition, as well as early diagnosis and appropriate treatment, Americans can avoid much of the damaging impact of bone disease and other chronic diseases. This Surgeon General's Report brings together for the first time the scientific evidence related to the prevention, assessment, diagnosis, and treatment of bone disease. More importantly, it provides a framework for moving forward. The report will be another effective tool in educating Americans about how they can promote bone health throughout their lives. This first-ever Surgeon General's Report on bone health and osteoporosis provides much needed information on bone health, an often overlooked aspect of physical health. This report follows in the tradition of previous Surgeon Generals' reports by identifying the relevant scientific data, rigorously evaluating and summarizing the evidence, and determining conclusions.

Integrative Biology of Women’s Health

Author : Espen E. Spangenburg
Publisher : Springer Science & Business Media
ISBN 13 : 1461486300
Total Pages : 217 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Integrative Biology of Women’s Health by : Espen E. Spangenburg

Download or read book Integrative Biology of Women’s Health written by Espen E. Spangenburg and published by Springer Science & Business Media. This book was released on 2013-10-24 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: Defining and understanding cellular and molecular mechanisms that are relevant to women’s health has become a critical area of scientific pursuit. Until recently, very little effort has been place on defining or understanding critical differences between women and men that may be critical to the overall health of the woman. In 1990, the National Institutes of Health recognized this gap in knowledge resulting in the creation of the Office of Research on Women’s Health. One of the purposes of this office was to advance the understanding of health issues from the women’s perspective from both a basic and clinical scientific perspective. From a scientific evolution of understanding, the existence of this office is new and thus there has not been enough time for new information to integrate itself in our current scientific thought process. This book will seek to capture and disseminate our current understanding of scientific advancements relevant to women’s health and provide the information to a broad audience. The purpose of this work is to discuss recent advancements in basic science across three areas of concern for women’s health. In addition, the book will provide “translational” chapters that attempt to place the basic science work in context within our current understanding of the human. Although it is well acknowledge that gender differences exist across organ function which translates into differences in whole body function, until recently little effort has been made to define basic mechanisms within various tissues within the woman. This work will focus on recent scientific findings that are relevant to women’s health and to provide novel and relevant information to interested scientists and clinicians.

The Female Athlete Triad

Author : Catherine M. Gordon
Publisher : Springer
ISBN 13 : 148997525X
Total Pages : 187 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis The Female Athlete Triad by : Catherine M. Gordon

Download or read book The Female Athlete Triad written by Catherine M. Gordon and published by Springer. This book was released on 2014-10-28 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book of its kind to focus solely on the female athlete triad - its origins, its recognition, and most importantly, its management. Since the symptoms themselves cover a range of medical specialties, chapters are written by experts in a number of relevant fields - sports medicine, orthopedics, endocrinology, and pediatrics - with an eye toward overall care of the young female athlete. Additionally, each chapter includes suggestions on how to educate and communicate with young athletes and their parents, as well as trainers and coaches, on how to manage the illness outside of the direct clinical setting. The female athlete triad is often seen in sports where low body weight is emphasized, such as gymnastics, figure skating, and running, though it can appear in any sport or activity. The interrelated symptoms - eating disorders, amenorrhea, and low bone mass - exist on a spectrum of severity and are serious and potentially life-threatening if not properly treated. Psychological problems, in addition to medical ones, are not uncommon. The Female Athlete Triad: A Clinical Guide discusses all of these areas for a well-rounded and in-depth approach to the phenomenon and will be a useful reference for any clinician working with female athletes across the lifespan.

Glucocorticoid-induced Osteoporosis

Author : Andrea Giustina
Publisher : Karger Medical and Scientific Publishers
ISBN 13 : 3805572964
Total Pages : 213 pages
Book Rating : 4.8/5 (55 download)

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Book Synopsis Glucocorticoid-induced Osteoporosis by : Andrea Giustina

Download or read book Glucocorticoid-induced Osteoporosis written by Andrea Giustina and published by Karger Medical and Scientific Publishers. This book was released on 2002 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Osteoporosis is one of the most clinically relevant disabling chronic disease encountered in clinical practice. A common cause of osteoporosis is glucocorticoid excess, as glucocorticoids may increase bone resorption, inhibit bone formation, have indirect actions on bone by decreasing intestinal calcium absorption and induce hypercalciuria. This book presents a comprehensive overview of the effects of glucocorticoids on bone metabolism and structure and on the diagnosis and treatment of glucocorticoid-induced osteoporosis. It aims at providing updated information on the pathogenesis, diagnosis and treatment of this often dramatic complication of glucocorticoid excess. Being one of the few publications completely devoted to glucocorticoid-induced osteoporosis it will heighten the awareness of specialists who prescribe glucocorticoids of the clinical relevance of this treatment complication. 'Glucocorticoid-Induced Osteoporosis' is addressed to clinical experts as well as to general practitioners who will both benefit from the comprehensive and integrative view of the management of patients exposed to glucocorticoids.

Osteodietology

Author : Alberto Falchetti
Publisher : Frontiers Media SA
ISBN 13 : 2832545394
Total Pages : 194 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Osteodietology by : Alberto Falchetti

Download or read book Osteodietology written by Alberto Falchetti and published by Frontiers Media SA. This book was released on 2024-04-08 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: During evolution, mankind has gone through alternating periods of famine/abundances, determined by seasons and environmental conditions changes, with consequent modifications in the metabolism efficiency. Adaptability and adjustment to these changes have helped us to survive as a species. Currently, in developed countries radical diet fluctuations are extremely rare, and, in this sense, human metabolism is largely "unchallenged". It is hard to assess whether or not this represents a favorable aspect.

The Circadian Code

Author : Satchin Panda, PhD
Publisher : Rodale Books
ISBN 13 : 1635652448
Total Pages : 290 pages
Book Rating : 4.6/5 (356 download)

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Book Synopsis The Circadian Code by : Satchin Panda, PhD

Download or read book The Circadian Code written by Satchin Panda, PhD and published by Rodale Books. This book was released on 2018-06-12 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: When we eat may be as important as what we eat. Like most people, you probably wake up, get hungry for meals and doze off in bed around the same time every day. If you’ve ever experienced jet lag or pulled an all-nighter, you know that this schedule can easily be thrown off kilter. But for some people, that imbalance—difficulty sleeping at night, hunger at odd times, or sudden fatigue at noon—is a constant. If you're one of those people, Dr. Satchin Panda, one of the leading researchers on circadian rhythms, has a plan to reset your body clock. Beginning with an in-depth explanation of the circadian clock—why it’s important, how it works, and how to know it isn’t working—The Circadian Code outlines lifestyle changes to make to get back on track. It's a concrete plan to enhance weight loss, improve sleep, optimize exercise, and manage technology so that it doesn’t interfere with your body’s natural rhythm. Dr. Panda’s life-changing methods show you how to prevent and reverse ailments like diabetes, cancer, and dementia, as well as microbiome conditions like acid reflux, heartburn, and irritable bowel disease.

Nutrition and Bone Health

Author : Michael F. Holick
Publisher : Springer
ISBN 13 : 1493920014
Total Pages : 737 pages
Book Rating : 4.4/5 (939 download)

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Book Synopsis Nutrition and Bone Health by : Michael F. Holick

Download or read book Nutrition and Bone Health written by Michael F. Holick and published by Springer. This book was released on 2014-12-13 with total page 737 pages. Available in PDF, EPUB and Kindle. Book excerpt: This newly revised edition contains updated versions of all of the topics that were in the first edition and has been substantially expanded with an additional 5 chapters. Each chapter includes information from the most up-to-date research on how nutritional factors can affect bone health, written with an evidence-based focus and complete with comprehensive references for each subject. Nutrition and Bone Health, second edition covers all aspects of nutrition and the skeleton, from the history and fundamentals, to the effects of macronutrients, minerals, vitamins, and supplements, and even covers the effects of lifestyle, the different life stages, and nutrition-related disorders and secondary osteoporosis. New chapters include HIV & AIDs and the skeleton, celiac disease and bone health, and nutrition and bone health in space. Nutrition and Bone Health, second edition is a necessary resource for health care professionals, medical students, graduate students, dietitians, and nutritionists who are interested in how nutrition affects bone health during all stages of life.

Cumulated Index Medicus

Author :
Publisher :
ISBN 13 :
Total Pages : 1860 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Cumulated Index Medicus by :

Download or read book Cumulated Index Medicus written by and published by . This book was released on 1997 with total page 1860 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Pocket Reference to Osteoporosis

Author : Serge Livio Ferrari
Publisher : Springer
ISBN 13 : 3319267574
Total Pages : 103 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Pocket Reference to Osteoporosis by : Serge Livio Ferrari

Download or read book Pocket Reference to Osteoporosis written by Serge Livio Ferrari and published by Springer. This book was released on 2018-12-28 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book responds to the daily needs of all clinicians treating patients with osteoporosis and provides a key reference guide for any challenges that arise in clinical practice. This book also covers the genetics of the disease, clinical presentation, diagnosis, and current and upcoming treatment recommendations in accordance with the latest international guidelines. Osteoporosis is a disease in which the density and quality of bone are greatly reduced, and as bones become more porous and fragile the risk of fracture increases greatly. It is one of the most common metabolic bone diseases globally with one in three women and one in five men at risk of an osteoporotic fracture, and can result in devastating physical, psychosocial, and economic consequences. However, in spite of this osteoporosis can often be overlooked and undertreated, thus there is a real need to raise awareness of this disease.

Diagnosis and Management of Ovarian Disorders

Author : Albert Altchek
Publisher : Elsevier
ISBN 13 : 008049451X
Total Pages : 595 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Diagnosis and Management of Ovarian Disorders by : Albert Altchek

Download or read book Diagnosis and Management of Ovarian Disorders written by Albert Altchek and published by Elsevier. This book was released on 2003-09-04 with total page 595 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated second edition of Diagnosis and Management of Ovarian Disorders provides thorough, yet succinct insight into the ever-changing realm of ovarian disorders. It presents a novel multidisciplinary approach to the subject as described by clinicians, surgeons, pathologists, basic scientists and related medical researchers. Topics covered include reproductive technology, early diagnosis of ovarian cancer, and management of menopause among others. The breadth of information provided by this book will appeal to clinicians and researchers involved in the study and treatment of ovarian disorders.KEY FEATURES* Includes updated information on early diagnosis of ovarian cancer* Reviews new diagnostic techniques for ovarian disorders* Discusses latest information on reproductive technology* Presents translational treatment linking laboratory research with clinical medicine

Sports Endocrinology

Author : Michelle P. Warren
Publisher : Springer Science & Business Media
ISBN 13 : 1592590160
Total Pages : 484 pages
Book Rating : 4.5/5 (925 download)

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Book Synopsis Sports Endocrinology by : Michelle P. Warren

Download or read book Sports Endocrinology written by Michelle P. Warren and published by Springer Science & Business Media. This book was released on 2000-05-01 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the observation in the 19th century that an extract of the suprarenal bodies injected into the circulation caused a rise in blood pressure, the endocrine system has become a major component in our understanding of human physiology. The introduction of radioimmunoassay techniques and the ability to measure minimal amounts of hor mones (a term derived from the Greek "to excite") have shown that acute exercise causes a release of a large number of hormones and that chronic exercise may further lead to long-term alterations in endocrine homeostasis. Actually, almost every organ and system in the body is affected by physical activity and exercise, much of it through the endocrine and neuroendocrine system. Investigation ofthe effect of acute or chronic physical activity on the endocrine system is a complex matter since the stimulus called "exercise" has many components, such as mode, intensity, duration, and others. In addition, several other factors, such as age, gender, training status, body temperature, circadian rhythm, metabolic state, menstrual cycle, and various external conditions as well as psychological factors, can modify the effect of physical activity on hormonal secretion. Moreover, the physiol9gical stimulus of exercise often provokes several and parallel cascades of biochemical and endocrine changes. It is therefore often extremely difficult to distinguish between primary and secondary events and between cause and effect. These limitations will be discussed in Chapter 1.

Monitoring Metabolic Status

Author : Institute of Medicine
Publisher : National Academies Press
ISBN 13 : 0309091594
Total Pages : 469 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Monitoring Metabolic Status by : Institute of Medicine

Download or read book Monitoring Metabolic Status written by Institute of Medicine and published by National Academies Press. This book was released on 2004-08-29 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. military's concerns about the individual combat service member's ability to avoid performance degradation, in conjunction with the need to maintain both mental and physical capabilities in highly stressful situations, have led to and interest in developing methods by which commanders can monitor the status of the combat service members in the field. This report examines appropriate biological markers, monitoring technologies currently available and in need of development, and appropriate algorithms to interpret the data obtained in order to provide information for command decisions relative to the physiological "readiness" of each combat service member. More specifically, this report also provides responses to questions posed by the military relative to monitoring the metabolic regulation during prolonged, exhaustive efforts, where nutrition/hydration and repair mechanisms may be mismatched to intakes and rest, or where specific metabolic derangements are present.

Dynamics of Bone and Cartilage Metabolism

Author : Markus J. Seibel
Publisher : Elsevier
ISBN 13 : 008045626X
Total Pages : 945 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Dynamics of Bone and Cartilage Metabolism by : Markus J. Seibel

Download or read book Dynamics of Bone and Cartilage Metabolism written by Markus J. Seibel and published by Elsevier. This book was released on 2006-07-24 with total page 945 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated edition is a comprehensive treatise that spans the complete range of basic biochemistry of bone and cartilage components to the clinical evaluation of disease markers in bone and joint disorders. With contributions from over 75 international experts, Dynamics of Bone and Cartilage Metabolism, Second Edition, is indispensable reading for those involved in skeletal research as well as for rheumatologists, endocrinologists, clinical biochemists, and other clinical disciplines participating in the management of patients with bone and cartilage diseases. - Part I provides an up-to-date account of current knowledge of the structure, biosynthesis and molecular biology of the major tissue components - Part II covers the organizational structure and cellular metabolism of bone and cartilage - Part III deals with the utility of components specific to bone and cartilage as biomarkers of health and disease

Diet and Health

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309039940
Total Pages : 765 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Diet and Health by : National Research Council

Download or read book Diet and Health written by National Research Council and published by National Academies Press. This book was released on 1989-01-01 with total page 765 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diet and Health examines the many complex issues concerning diet and its role in increasing or decreasing the risk of chronic disease. It proposes dietary recommendations for reducing the risk of the major diseases and causes of death today: atherosclerotic cardiovascular diseases (including heart attack and stroke), cancer, high blood pressure, obesity, osteoporosis, diabetes mellitus, liver disease, and dental caries.

The Young Athlete

Author : Helge Hebestreit
Publisher : John Wiley & Sons
ISBN 13 : 0470695501
Total Pages : 512 pages
Book Rating : 4.4/5 (76 download)

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Book Synopsis The Young Athlete by : Helge Hebestreit

Download or read book The Young Athlete written by Helge Hebestreit and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This essential new volume in the Encyclopaedia of Sports Medicine series, published under the auspices of the International Olympic Committee, provides a thorough overview of the unique physiologic characteristics, responsiveness to training, and possible health hazards involved in the training, coaching, and medical care of young athletes. Intense involvement in competitive sports often begins during childhood. During adolescence, many athletes reach their peak performance and some may participate in World Championships and Olympic Games at a relatively young age. The Young Athlete presents the available information relevant to exercise and training in youth, reviewed and summarized by authors who are recognized as leaders in their respective fields. The Young Athlete is subdivided into seven parts covering: the physiologic bases of physical performance in view of growth and development; trainability and the consequences of a high level of physical activity during childhood and adolescence for future health; the epidemiology of injuries, their prevention, treatment, and rehabilitation; non-orthopedic health concerns including the pre-participation examination; psychosocial issues relevant to young athletes; diseases relevant to child and adolescent athletes; the methodology relevant to the assessment of young athletes. This valuable reference summarizes a large database of information from thousands of studies and is especially relevant to sports physicians, pediatricians, general practitioners, physical therapists, dietitians, coaches, students, and researchers in the exercise sciences.

Educating the Student Body

Author : Committee on Physical Activity and Physical Education in the School Environment
Publisher : National Academies Press
ISBN 13 : 0309283140
Total Pages : 503 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Educating the Student Body by : Committee on Physical Activity and Physical Education in the School Environment

Download or read book Educating the Student Body written by Committee on Physical Activity and Physical Education in the School Environment and published by National Academies Press. This book was released on 2013-11-13 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.