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Journal ArticleDOI

Body composition of young athletes.

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TLDR
The influence of training for sport on bone mineral has received more attention in recent years because of methodological advances in assessment and concern for potential negative effects of altered menstrual function on bone.
Abstract
Absolute and relative components of body mass are a primary focus in studies of body composition. Components change with growth and maturation, requiring care in selecting methods of assessment in children and adolescents. Although sex differences are apparent in fat-free mass (FFM), fat mass (FM), and relative fatness (% Fat) during childhood, they are more clearly defined during adolescence and adulthood. Body composition is one of many determinants of sport performance, but % Fat tends to be the primary focus of discussion in young athletes. The influence of training for sport on bone mineral has received more attention in recent years because of methodological advances in assessment and concern for potential negative effects of altered menstrual function on bone. Relative fatness of young athletes in several sports is summarized, and issues related to sport training and body composition in young athletes are considered. Suggestions for dealing with body composition in young athletes are provided.

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Citations
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Motor coordination, physical activity and fitness as predictors of longitudinal change in adiposity during childhood

TL;DR: In conclusion, motor coordination, muscular strength and endurance, and aerobic endurance attenuated the accumulation of subcutaneous adipose tissue during childhood.
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Age-Related Variation in Male Youth Athletes' Countermovement Jump After Plyometric Training: A Meta-Analysis of Controlled Trials

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Body size, skeletal maturity, and functional characteristics of elite academy soccer players on entry between 1992 and 2003

TL;DR: The size, maturity, and functional characteristics of youth players on entry to an elite academy and of graduates who eventually played soccer as professionals generally did not change across annual selections from 1992 to 2003, suggesting a lack of change in selection philosophies and practices of coaches involved in recruiting players for the academy.
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Body Composition and Muscle Characteristics of Division I Track and Field Athletes

TL;DR: Evaluation of muscle characteristics in addition to total and regional body composition may be valuable for improving performance, injury prevention, and assessing health risks in track and field athletes.
References
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Journal ArticleDOI

Evidence based physical activity for school-age youth.

TL;DR: School-age youth should participate daily in 60 minutes or more of moderate to vigorous physical activity that is developmentally appropriate, enjoyable, and involves a variety of activities.
Book

Growth, Maturation, and Physical Activity

TL;DR: This book introduces the Basics of Growth, Maturation, and Performance, and discusses age- and sex-Associated Variation in Growth and Performance.
Journal Article

Skinfold equations for estimation of body fatness in children and youth.

TL;DR: Prediction de la corpulence chez des enfants et adultes de 8 a 29 ans par 3 approches: densite corporelle, densitecorpse and eau, eau et mineral osseux.
Journal ArticleDOI

American College of Sports Medicine position stand. The female athlete triad.

TL;DR: The female athlete triad (Triad) refers to the interrelationships among energy availability, menstrual function, and bone mineral density, which may have clinical manifestations including eating disorders, functional hypothalamic amenorrhea, and osteoporosis.
Journal ArticleDOI

A multidisciplinary approach to talent identification in soccer.

TL;DR: The test battery used may be useful in establishing baseline reference data for young players being selected onto specialized development programmes, and the most discriminating of the measures were agility, sprint time, ego orientation and anticipation skill.