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The effect of two different interval-training programmes on physiological and performance indices.

Mahmood Sindiani1, Alon Eliakim1,2, Daria Segev1

  • 1a Life Science Department , Zinman College of Physical Education and Sport Sciences, Wingate Institute , Netanya , Israel.

European Journal of Sport Science
|May 10, 2017
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Summary

Decreasing-distance interval training significantly improved aerobic and anaerobic fitness more than increasing-distance interval training. Coaches should consider interval order for optimal physiological impact, even with identical total distance.

Keywords:
Sprint runninginterval trainingtraining programmes

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Training Methodology

Background:

  • Interval training is a common method for improving aerobic and anaerobic fitness.
  • The specific structure of interval training, such as the order of exercise distances, may influence physiological adaptations.

Purpose of the Study:

  • To compare the effects of increasing-distance versus decreasing-distance interval training on aerobic and anaerobic physiological indices.
  • To determine if the order of interval distances impacts training outcomes when total distance is matched.

Main Methods:

  • Forty physical education students participated in a six-week training program.
  • Participants were randomly assigned to either an increasing-distance interval training group (ITG) or a decreasing-distance interval training group (DTG).
  • Aerobic (VO2 max) and anaerobic (peak power, mean power, fatigue index) indices were measured before and after the training period.

Main Results:

  • Both training groups showed significant improvements in VO2 max, peak power, mean power, and fatigue index.
  • The decreasing-distance interval training group (DTG) exhibited significantly greater improvements in VO2 max compared to the increasing-distance interval training group (ITG).
  • DTG also demonstrated significantly greater improvements in all measured anaerobic indices (peak power, mean power, fatigue index) than ITG.

Conclusions:

  • Both increasing- and decreasing-distance interval training programs enhance aerobic and anaerobic fitness.
  • Decreasing-distance interval training is superior to increasing-distance interval training for improving both aerobic and anaerobic performance capabilities.
  • The order of exercise distances within an interval training program significantly influences physiological adaptations, even when total training volume is identical.