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Differences in anaerobic performance between boys and men

C A Gaul1, D Docherty, R Cicchini

  • 1School of Physical Education, University of Victoria, Canada.

International Journal of Sports Medicine
|October 1, 1995
PubMed
Summary

Prepubescent boys exhibit lower anaerobic performance than adult men across short, intermediate, and long durations. Even when adjusted for body size, boys show reduced power and capacity, indicating developmental limitations in anaerobic exercise.

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Area of Science:

  • Exercise Physiology
  • Pediatric Sports Science
  • Human Performance

Background:

  • Anaerobic performance is crucial for various sports and activities.
  • Understanding developmental differences in anaerobic capacity is important for training and performance.
  • Previous research has yielded mixed results regarding anaerobic performance comparisons between children and adults.

Purpose of the Study:

  • To compare the anaerobic performance (short-term anaerobic power, intermediate-term anaerobic capacity, long-term anaerobic capacity) of prepubescent boys (11-12 years) with adult men.
  • To investigate differences in power drop-off and blood lactate accumulation between the two groups.
  • To determine if size-corrected anaerobic performance differs between prepubescent boys and adult men.

Main Methods:

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  • Maximal effort 90-second cycling test on a Monark ergometer.
  • Participants included 18 prepubescent boys (stage 1) and 19 adult men.
  • Performance metrics included work output at 10s, 30s, and 90s, and power drop-off.
  • Blood lactate levels measured at rest and 2 and 5 minutes post-exercise.

Main Results:

  • Boys demonstrated 33-40% lower absolute and relative scores for all anaerobic performance measures compared to men (p < 0.001).
  • Men showed a significantly greater power drop-off (32.2%) than boys (25.3%) (p < 0.001), indicating greater fatigue development.
  • Mean post-exercise blood lactate levels were significantly higher in men than in boys (p < 0.01).

Conclusions:

  • Prepubescent boys have significantly lower anaerobic power and capacity compared to adult men, even when accounting for body size and resistance settings.
  • The findings do not support the idea of similar anaerobic performance between children and adults when corrected for size.
  • Developmental factors appear to limit the anaerobic exercise capabilities of prepubescent boys.