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Related Experiment Videos

Physical activity and growth, maturation and performance: a longitudinal study.

G P Beunen1, R M Malina, R Renson

  • 1Center for Physical Development Research, K.U. Leuven, Heverlee, Belgium.

Medicine and Science in Sports and Exercise
|May 1, 1992
PubMed
Summary

Increased physical activity in boys aged 13-18 showed minimal impact on growth and fitness. Only pulse recovery and arm hang strength improved slightly in more active participants.

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Area of Science:

  • Sports Science
  • Pediatric Growth
  • Human Performance

Background:

  • Understanding the impact of physical activity on adolescent development is crucial.
  • Previous research has yielded varied results on exercise effects during puberty.

Purpose of the Study:

  • To investigate the longitudinal effects of increased physical activity on physical growth, maturation, and performance in Belgian boys.
  • To compare active boys (sports > 5h/week) with less active peers.

Main Methods:

  • Longitudinal study of 64 Belgian boys (13-18 years), divided into active and non-active groups.
  • Assessed anthropometric dimensions, skeletal maturation, and a nine-test physical fitness battery.
  • Collected data via questionnaires and interviews on physical activity and sociocultural factors.

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Main Results:

  • No significant differences observed in somatic dimensions, skinfolds, or skeletal maturation between groups.
  • Most physical fitness components showed no significant impact from increased activity.
  • Active boys demonstrated improved pulse recuperation and bent arm hang performance from age 14 onwards.

Conclusions:

  • Increased physical activity in average Belgian boys has limited effects on overall growth and maturation.
  • Modest benefits in specific fitness aspects (cardiac recovery, muscular endurance) were noted.
  • Findings are generalizable to the average population, not elite athletes.