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Related Experiment Videos

Changes in body composition in adolescent boys.

J Riumallo1, J V Durnin

  • 1Instituto de Nutricion y Tecnologia de los Alimentos, Universidad de Chile, Santiago.

European Journal of Clinical Nutrition
|February 1, 1988
PubMed
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Children experience dynamic body composition changes during puberty, involving a

Area of Science:

  • Pediatric Endocrinology
  • Human Physiology
  • Nutritional Science

Background:

  • Body composition changes significantly during childhood and adolescence.
  • Puberty onset timing varies, influencing growth patterns.
  • Understanding these shifts is crucial for accurate health assessments.

Purpose of the Study:

  • To investigate body composition changes in healthy children from age 10 to 13.
  • To differentiate body composition dynamics between early and late maturing pubertal children.
  • To highlight the significance of these changes for interpreting nutritional and growth data.

Main Methods:

  • Longitudinal study of 47 healthy school children in Glasgow.
  • Assessment of body composition at ages 10 and 13 years.

Related Experiment Videos

  • Categorization of participants based on total puberty rating (TPR) at age 13.

    • Main Results:

    • Children exhibit a 'fat-wave' phase (gaining ~40% fat tissue) followed by a 'growth spurt' phase (gaining ~100% lean mass, utilizing fat).
    • These dynamic changes occur between ages 10 and 13.
    • Body composition shifts are linked to pubertal maturation stages.

    Conclusions:

    • Dynamic body composition changes, including a 'fat-wave' and 'growth spurt', characterize pubertal development.
    • Accurate interpretation of body composition data in children requires consideration of pubertal timing.
    • Environmental factors like diet and physical activity may modulate these body composition changes.