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Author : Pamela Susan Anderson
Publisher :
ISBN 13 :
Total Pages : 342 pages
Book Rating : 4.:/5 (76 download)
Download or read book Effects and Predictors of Bone Mineral Density in College-aged Female Athletes written by Pamela Susan Anderson and published by . This book was released on 2006 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Catherine M. Gordon
Publisher : Springer
ISBN 13 : 148997525X
Total Pages : 187 pages
Book Rating : 4.4/5 (899 download)
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.
Author : Emily Southmayd
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Exploration of the Independent and Combined Effects of Energy and Estrogen on Bone Metabolism, Bone Structure, and Estimated Bone Strength in Young Exercising Women written by Emily Southmayd and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Female Athlete Triad (Triad), a syndrome of low energy availability, menstrual dysfunction, and low bone mineral density (BMD), affects up to 60% of exercising girls and women. As such, understanding the physiology underlying the Triad is imperative in order to identify therapeutic targets and develop effective treatment strategies to prevent long-term health detriments in afflicted women. Bone health is a major clinical outcome of concern in female athletes and exercising women with the Triad, as bone loss or suboptimal peak bone mass development may predispose women to osteoporosis and related fractures later in life. To garner a better understanding of factors contributing to bone health and to inform guidelines for treatment targets in female athletes and exercising women with the Triad, this purpose of this dissertation was 1) to assess the unique and combined effects of energy status and estrogen status on volumetric BMD (vBMD), bone geometry, and estimated bone strength in exercising women, 2) to assess the unique and combined effects of energy status and estrogen status on bone turnover in exercising women, 3) to evaluate predictors of change in bone turnover dynamics across a 12-month nutritional intervention in women with exercise-associated menstrual disturbances, and 4) to determine if bone turnover dynamics at baseline impact BMD outcomes in women with exercise-associated menstrual disturbances participating in a nutritional intervention. Key findings of the studies that made up this dissertation implicate that energy status is a main driving factor dictating vBMD, bone geometry, estimated bone strength, and bone metabolism in exercising women. The results indicate that improving energetic status will not only improve bone turnover at the cellular level, but that bone turnover favoring bone formation over bone resorption will also predict improved BMD in the following year. The findings support the guidelines put forth by the Female Athlete Triad Coalition that endorse nutritional therapy as the first line of treatment for the Triad, as low energy availability is the root cause of the clinical sequelae, including menstrual dysfunction and compromised bone health.
Author : Ruth Ann Bush
Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Long-term Effects of Varsity Athletic Participation on Bone Mineral Density written by Ruth Ann Bush and published by . This book was released on 1999 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background. Although weight-bearing exercise among previously sedentary adult females can increase bone mineral density (BMD), cross-sectional studies suggest that high-intensity exercise among amenorrheic athletes may be detrimental to bone health. The long-term effects of athletic participation on BMD should be examined. Objectives. This study was designed to: (1) Determine the prevalence of varsity athletic participation among female university graduates who participated in a mail survey; and, (2) Compare BMDs of high school varsity female athletes with women who were sedentary during the same time period, while controlling for covariates. Methods. A survey was mailed to 7291 alumnae of 2 Southern California universities in the classes of 1987-1991. The survey was returned by 1900 (26.1 %), and 1373 (72.3%) consented to further contact. Of the latter, 73 athletes (70.6% of those eligible) and 67 controls (53.1 % of those eligible), all 30-35 years of age, in a clinic evaluation, provided their health histories, anthropometric measurements, physical activity and dietary assessments, and dual energy x-ray absorptiometer measurements of the hip and spine. Results. Athletes were taller (p
Author : Jessica Insogna
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Comparing Lower Limb Bone Mineral Density Between Female Collegiate Athletes and Sedentary Controls written by Jessica Insogna and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Bone is a dynamic, living tissue that can respond to mechanical stress, muscular activity, and strengthen over time. It is constantly broken down and rebuilt in a process known as remodeling. When slightly less bone is deposited than resorbed, it results in osteopenia and eventually osteoporosis, which predisposes the bone to fracture during minimal trauma. Osteoporosis is a condition of generalized skeletal fragility, or "weak bones". According to the Canadian Healthy Aging questionnaire in 2009, 19.2% of women reported being diagnosed with osteoporosis. With the rise of the aging population, the prevalence and cost of osteoporosis is sure to increase as well. The best method of preventing osteoporosis is building strong bones from a young age. Exercise can be used as a factor to build stronger bones at any age. Percussive activity has been shown to lead to increased bone mineral density (BMD), which explains why female athletes tend to have higher BMD than age-matched sedentary controls. This thesis presents a study comparing the BMD of female athletes in hockey and synchronized swimming to sedentary controls. 70 participants, 24 hockey players, 20 synchronized swimmers, and 26 sedentary controls participated in this study. Participants underwent three DXA scans (one total body and two regional scans) and answered a questionnaire about their menstrual history. BMD values were analyzed using ANCOVA controlling for age and weight. Predictors of BMD were also analyzed using step-wise regression. A significant difference in BMD at the level of the trochanter (F(2,65) = 5.47, p
Author : Maisie E. Davis
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (124 download)
Download or read book Predictive Influence of Anthropometric and Performance-based Measurements on Bone Mineral Density in Female Collegiate Athletes written by Maisie E. Davis and published by . This book was released on 2021 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sports participation is associated with adaptations in bone strength that reflects positively on bone mineral density (BMD). Although this participation has been positively associated with increased BMD, there is substantial heterogeneity in the osteogenic response from the various types of physical loading (e.g., gravitational loading, muscle loading) that are within sports. Therefore, the purpose of the current investigation is to determine the most influential predictive factors of BMD using anthropometric and performance-based assessments, as well as to compare BMD values between sports containing components of gravitational loading (GL) and muscle loading (ML) in Division-I female collegiate athletes. The results of this study suggest that the influence of various anthropometric and performance-based factors on BMD in female collegiate athletes, depends on the type mechanical loading that is performed during sport participation. While weight was reported to be the most influential factor for BMD in GL sports, extracellular fluid was the most influential factor for ML sports.
Author : Kerry Lynn Proctor
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (64 download)
Download or read book Upper Limb Bone Mineral Density of Female Collegiate Gymnasts Vs. Controls written by Kerry Lynn Proctor and published by . This book was released on 2001 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brenda I. Mahnken
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (276 download)
Download or read book Predictors of Bone Density Among Women of College Age written by Brenda I. Mahnken and published by . This book was released on 1992 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marguerite Bach
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (167 download)
Download or read book Sport-specific Activity, Menstrual Status and Calcium Intake as Predictors of Bone Density in College-aged Women written by Marguerite Bach and published by . This book was released on 1987 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stella L. Volpe-Snyder
Publisher :
ISBN 13 :
Total Pages : 610 pages
Book Rating : 4.:/5 (243 download)
Download or read book The Effect of Boron Supplementation on Bone Mineral Density and Hormonal Status in College Female Athletes written by Stella L. Volpe-Snyder and published by . This book was released on 1991 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dillon Frees
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Nutritional Factors Related to Bone Mineral Density in Adult Female Recreational Runners written by Dillon Frees and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background: Much of the nutrition research surrounding bone health in athletes has been limited to the influence of eating disorders, calorie restriction, or poor energy balance in conditions such as the Female Athlete Triad or Relative Energy Deficiency in Sport (RED-S). From other population research, it is purported that dietary factors such as calories, protein, calcium, and vitamin D are critically important to bone health. However, less research has explored the role of these factors in the bone health of adult pre-menopausal athletes. Objective: The purpose of this study was to analyze the relationship of select nutritional variables with BMD at various skeletal sites. Methods: This study recruited a total of 101 adult pre-menopausal female recreational runners. Baseline laboratory visits included anthropometry, dual-x-ray absorptiometry (DXA), a three-day food record, and phlebotomy. Thirty-nine subjects participated in the follow up laboratory visit which included the same procedures except for phlebotomy. The 3-day food record was entered into ESHA Food Processor (SQL version 10.2) to determine average daily intake of calories, calcium, and protein while 25-hydroxyvitamin D levels were obtained from blood. DXA scan sites included non-dominant hip, femoral neck, lumbar spine, distal forearm, and total body. Statistical analyses employed SPSS (version 28) to determine if significant correlations exist between nutritional variables of interest with BMD. Additionally, change variables from calories and dietary protein intake were compared to BMDs from baseline to follow-up. Results: The select nutritional variables were not significantly correlated with BMD. However, calories did show a trend for a small positive correlation with TB (r=0.188;p=0.060). Regression models for prediction of total body (TB) BMD demonstrated lean body mass (LBM), calories, and protein as a reasonable prediction model. Conclusions: Despite poor correlations between nutritional variables and BMD sites, prediction models indicated the importance of LBM, calories, and protein as potential nutritional variables to help target BMD outcomes.
Author : Shelby L. St. John
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (556 download)
Download or read book The Effects of Sport-specific Physical Activity on Trabecular and Cortical Bone Mineral Density in Female Athletes written by Shelby L. St. John and published by . This book was released on 2003 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adam S. Tenforde, MD
Publisher : Springer Publishing Company
ISBN 13 : 0826144241
Total Pages : 219 pages
Book Rating : 4.8/5 (261 download)
Download or read book Bone Stress Injuries written by Adam S. Tenforde, MD and published by Springer Publishing Company. This book was released on 2021-07-17 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: “This book gives a nice summary of the current state of diagnosis, treatment, and prevention of bone stress injuries. It is particularly useful for sports medicine fellows and residents with an interest in athletes and active patients." ---Doody's Review Service, 3 stars Bone stress injuries are commonly seen in athletes and active individuals across a full spectrum of physical activity, age, and gender. While most overuse injuries can be addressed through non-operative care, injuries may progress to full fractures that require surgery if misdiagnosed or not correctly managed. Written by leaders in sports medicine including physical medicine and rehabilitation, orthopaedics, endocrinology and allied health professionals of biomechanics, physical therapy and dietetics, Bone Stress Injuries offers state-of-the-art guidelines and up-to-date science and terminology to practitioners. Using a holistic approach to understand the management of bone stress injuries, this book highlights specific considerations by injury, gender, and risk factor to ensure that a comprehensive treatment plan can be developed to optimize bone health, neuromuscular re-education, gait mechanics, and injury prevention. Organized into four parts, opening chapters cover the general need-to-know topics, including clinical history, imaging, and risk factors including biological and biomechanical factors. The book proceeds anatomically through the body from upper extremity to foot and ankle injuries, with each chapter underscoring diagnostic and treatment strategies specific to that region. Chapters dedicated to special populations discuss the differences in injury evaluation and management according to age, gender, and military background. Final chapters review the prevention of injuries and examine both common and novel treatment strategies, such as medications, nutrition, gait retraining, orthobiologics, and other interventions. Invaluable in its scope and approach, Bone Stress Injuries is the go-to resource for sports medicine physicians, physiatrists, and primary care providers who manage the care of athletes and individuals leading active lifestyles. Key Features: Promotes evidence-based practice for diagnosis, treatment, and prevention of bone stress injuries Covers specific anatomy that is prone to bone stress injuries with dedicated chapters on upper and lower extremities, pelvis and hip, spine, and foot and ankle Considers evaluation and management differences according to specific populations of pediatric, male, female, and military personnel Discusses emerging strategies to treat bone stress injuries, such as gait retraining, orthobiologics, and other non-pharmacological treatments
Author : May May Leung
Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.:/5 (431 download)
Download or read book The Effect of Cortisone on College Athletes' Bone Mineral Density and Biochemical Markers of Bone Turnover written by May May Leung and published by . This book was released on 1999 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carter McCance Denne
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (953 download)
Download or read book Assessing Longitudinal Changes in Bone Mineral Density in Male and Female Cross Country Runners written by Carter McCance Denne and published by . This book was released on 2014 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of several recent research studies have questioned the benefit of high levels of running and its influence on bone mineral density. Elite endurance athletes often experience high physiological stress, hormonal imbalances, and nutritional inadequacies during competitive seasons as a result of training and competing. The effect of these factors on bone mineral density is not well understood. Purpose: To examine changes in body bone mineral density (BMD) in male and female collegiate cross country runners over the period of a competitive season (pre- post CC). Methods: Subjects were 23 (11 male and 12 female) Division I collegiate cross country runners ages 18-22 yr. BMD was measured using dual x-ray absorptiometry (DXA) by the GE Lunar iDXA Bone Densitometer. BMD was measured in the total body, spine, hips, and non-dominant forearm. Body fat percentages were measured using DXA and standardized skin fold measures. Maximal oxygen uptake (VO2 max) was measured using a maximum treadmill test. Caloric intake was calculated from a 7-day food log and running mileage quantified using self-reported training logs. Results: Due to lack of adherence to study requirements only 8 males and 8 females were evaluated for changes from pre-post CC. As expected, at pre- CC males were taller, heavier, running more miles, and had a higher VO2 maximum than females. From pre- to post CC season males did not have any changes in body composition whereas females had an increase of 2.7 ± 1.7 lbs or 2.1% of total mass. From pre- to post season males did not have any significant changes in BMD whereas females had a significant decrease in BMD of L1, L1-2, and L1-3 vertebrae. As a group, males and females did not have any BMD value that significantly differed from the reference population but 4 males and 4 females had total BMD that were lower than "normal". At pre- CC male total body BMD and forearm BMD positively correlated with lean body mass whereas hip BMD negatively correlated with running mileage. At pre- CC female hip BMD was negatively correlated with % body fat. From pre- to post CC males showed significant decreases in vitamin D levels whereas females showed significant increases in iron and magnesium levels. Conclusion: Despite limitations, this study adds substantially to our understanding of BMD levels of competitive collegiate CC runners. The results of this study suggest that a competitive CC season has minimal negative or positive impact on BMD on collegiate CC athletes. However, approximately 50 % of the male and female athletes in this study have BMD levels below their age-matched normal levels. The low BMD levels seen in these distance runners may increase their risk of stress fractures and/or osteoporosis later in life. Further investigation of this important topic is warranted and should be performed on a larger and more diverse group of collegiate distance runners.
Author : Kevser Ermin
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (752 download)
Download or read book Differences in Bone Mineral Density Among Adolescent Female Tennis Players and Non-tennis Players written by Kevser Ermin and published by . This book was released on 2010 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 10 million Americans have osteoporosis. Physical activity (PA) is an important step in preventing osteoporosis and is one of the major determinants of peak bone mass during adolescence. However, type of PA plays an important role when examining the effects of PA on bone mineral density (BMD). PURPOSE: 1) To determine the differences in BMD among adolescent female tennis players (TP) and non-tennis players (NTP); 2) to determine the differences in body composition (BC) between adolescent female TP and NTP; 3) to determine whether BC variables (weight, fat mass, and lean mass) were predictive of differences in BMD; and 4) to assess osteoporosis knowledge among female high school adolescents. METHODS: Nineteen female TP and 19 female NTP, aged 14 to 18 years, participated in this study. Lumbar spine, total hip, femoral neck, and left and right forearm BMD, and BC were assessed using dual-energy x-ray absorptiometry. Total osteoporosis knowledge (TOK) was assessed by the Osteoporosis Knowledge Test. One-way ANOVA was used to assess differences between TP and NTP for BMD, BC, and OKT . Multiple regression analysis was used to identify significant predictors of BMD. RESULTS: TP had significantly greater femoral neck BMD than NTP (p = 0.017). In addition, when data were analyzed with an outlier excluded, TP also had significantly greater total hip BMD than NTP (p = 0.02). Although TP had greater BMD for lumbar spine, and dominant arm measurements, these differences were not significantly greater than NTP. There were no significant differences for total body percent fat (p = 0.72), total body lean mass (p = 0.07) or total body fat mass (p = 0.59) between the groups. Collectively, body composition variables (body weight, total body lean mass and total body fat mass) significantly predicted BMD at the femoral neck and hip with lean mass being the best predictor among the three independent variables. A moderate level of knowledge related to osteoporosis was found among female adolescents. In addition, there were no significant differences between TP and NTP for TOK. CONCLUSION: This study suggests that adolescent female TP have greater femoral neck and total hip BMD than NTP. This difference might play an important role in preventing osteoporosis and decreasing the risk of fractures at the hip later in life.
Author : David L. Nichols
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (286 download)
Download or read book The Effects of Athletic Training on Bone Mineral Density in Female Collegiate Gymnasts ... written by David L. Nichols and published by . This book was released on 1992 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
