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Related Experiment Videos

Variable resistance loadings in anaerobic power testing.

P Gastin1, D Lawson, M Hargreaves

  • 1Department of Physical Education and Recreation, Victoria University of Technology (F.I.T.), Footscray, Australia.

International Journal of Sports Medicine
|December 1, 1991
PubMed
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Optimal anaerobic testing on a bicycle ergometer requires a reduced test with high initial resistance. This method maximizes peak power and mean power, crucial for assessing anaerobic capacity in athletes.

Area of Science:

  • Sports Science
  • Exercise Physiology
  • Biomechanics

Background:

  • Maximal anaerobic testing is crucial for evaluating athletic performance.
  • Optimizing test protocols ensures accurate measurement of anaerobic capacity.
  • Friction-loaded bicycle ergometers are commonly used for such assessments.

Purpose of the Study:

  • To determine the optimal test conditions for maximal anaerobic testing using a friction-loaded bicycle ergometer.
  • To investigate the effects of different resistance loading protocols on power and work outputs.
  • To establish reliable parameters for assessing anaerobic performance.

Main Methods:

  • Fifteen subjects performed 60-s all-out efforts on a modified Monark ergometer.
  • Five resistance loading conditions were tested: constant and reduced loads.

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  • Power output, pedaling rate, oxygen consumption (VO2), and blood lactate (HLa) were measured.

    • Main Results:

    • The reduced test with the highest initial load (0.095 kg/kg body weight) yielded the greatest peak power.
    • Higher initial loads with reduced resistance protocols produced the highest mean power and total work.
    • Peak power and mean power showed strong correlations with body weight and lean body weight.

    Conclusions:

    • A reduced test protocol with a high initial resistance setting is recommended for maximal anaerobic testing.
    • This protocol maximizes key anaerobic performance indicators like peak and mean power.
    • The findings provide valuable insights for optimizing anaerobic capacity assessments in athletes.