Comparisons of Body Composition Techniques at Measuring Body Fat in High School Wrestlers PDF Download
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Author: Timothy R. Witkus
Publisher:
ISBN:
Category : Body composition
Languages : en
Pages : 66
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Book Description
Author: Timothy R. Witkus
Publisher:
ISBN:
Category : Body composition
Languages : en
Pages : 66
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Book Description
Author: Jennifer E. MacKenzie
Publisher:
ISBN:
Category : Body composition
Languages : en
Pages : 92
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Author: Kristen M. Oja
Publisher:
ISBN:
Category : Wrestlers
Languages : en
Pages : 176
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Book Description
Background: The Oregon Wrestling Weight Monitoring Program establishes the athlete's minimum wrestling weight (MW) for the season. This program specifies the wrestler's maximum weight loss rate and was implemented in order to reduce unhealthy weight-cutting behaviors commonly practiced by wrestlers. Aims: (1) To compare differences in percent body fat (%BF) between 3 body composition assessment methods, (2) To examine agreement between 2 hydration assessment methods, (3) To detect the presence of systematic bias in MW-prediction for 2 methods of body composition assessment, compared to a criterion, (4) To gather information pertaining to weight-cutting methods used and the frequency with which these methods were used. Methods: Participants included 55 male and female high school athletes, 18 of whom were wrestlers. Body composition assessment methods included the BODPOD while measuring thoracic gas volume (BPM) (criterion for MW prediction), BODPOD while estimating this volume (BPE), and leg-to-leg- bioelectric impedance analysis (L-BIA). The BODPOD body composition system is a densitometric method similar to hydrostatic weighing, however air displacement is used rather than water displacement. This technique is also referred to as air displacement plethysmography. The systematic bias of BPE and L-BIA were examined. Urine specific gravity (USG) was assessed, as an indicator of hydration level using the dipstick method and an optical refractomer. Wrestlers completed a survey. Results: The 3 methods reported similar %BF values (16.1±8.3, 15.3±8.4, 15.4±7.8) for all athletes (N=51), the subgroup of wrestlers (N=16), and males (N=20), however there was a difference in %BF between L-BIA and BPE and between L-BIA and BPM for females (N=15). Hydration assessment methods did not agree when using the high school USG cutoff (1.025 g mL-1), and agreed weakly when using the NCAA USG cutoff (1.020 g mL-1). Systematic bias existed in BPE, and limits of agreement were twice as large in L-BIA compared to BPE. Most wrestlers engaged in weight-cutting behaviors. Conclusion: L-BIA is not recommended as a method for predicting MW because individual differences between L-BIA and BPM spanned multiple weight classes. Investigators recommend that program officials consider using optical refractometers and/or consider adopting the NCAA hydration cutoff (USG
Author: Keith R. Berg
Publisher:
ISBN:
Category : Body composition
Languages : en
Pages : 110
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Author: United States. Army. Quartermaster Corps. Research and Engineering Command
Publisher:
ISBN:
Category : Anthropometry
Languages : en
Pages : 320
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Book Description
Author: American College of Sports Medicine
Publisher: Human Kinetics Publishers
ISBN: 1492526398
Category : Medical
Languages : en
Pages : 202
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Book Description
ACSM's Body Composition Assessment provides practicing fitness, health, and medical professionals with information about various body composition measurement methods in clinical and field settings--evidence-based protocols, advantages, sources of measurement error, and more.
Author: DeAnn Traen
Publisher:
ISBN:
Category : Body composition
Languages : en
Pages : 98
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Book Description
Author:
Publisher:
ISBN:
Category : Anthropometry
Languages : en
Pages : 148
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Book Description
Author: David C. Nieman
Publisher: Human Kinetics Publishers
ISBN:
Category : Anthropometry
Languages : en
Pages : 94
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Book Description
Author: Henry C. Lukaski
Publisher: CRC Press
ISBN: 1351646958
Category : Health & Fitness
Languages : en
Pages : 720
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Book Description
Interest in the relationships between body structure and function in physical activity has persisted for centuries. Body Composition: Health and Performance in Exercise and Sport advances understanding beyond simple descriptions of body physique and composition of athletes and fills gaps in our understanding of the important role of muscle, fat, and bone in facilitating physical performance and health in sports and physically demanding occupations. lt addresses basic, practical, and applied topics in body composition, performance, and health with comprehensive reviews organized in four logical parts: Body Composition Assessment; Physical Activity and Body Composition; Body Composition in Sports and Occupations; and Moderating Factors. This book integrates state-of-the-art knowledge by international experts in the field and produces an evidence-based practical guide for a balanced understanding of the role and use of body composition assessment in physical performance and health for youth and adults. It also provides a needed link between the practice of body composition assessment and its application by members of public health advisory committees that develop national guidelines for diet, physical activity, and health. This book is suitable for students and professionals in sports nutrition, exercise science, kinesiology, and athletic training. Sport administrators and policy-makers for international and national sport federations and organizations, and national intercollegiate and scholastic federations, would also benefit from this book.
