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Measuring changes in step parameters during an exhausting running exercise.

Verkerke1, Ament, Wierenga

  • 1University of Groningen, Faculty of Medical Sciences, Division of Artificial Organs, Bloemsingel 10, 9712 KZ, Groningen, The Netherlands

Gait & Posture
|April 14, 1999
PubMed
Summary
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Running on a treadmill reveals changes in gait. Exhausting exercise causes running patterns to become irregular, especially in the final stages, as measured by step parameter variances.

Area of Science:

  • Biomechanics
  • Exercise Physiology
  • Sports Science

Background:

  • Gait analysis is crucial for understanding running mechanics.
  • Assessing physiological changes during exhaustive exercise is important.

Purpose of the Study:

  • To analyze gait patterns during running using a force-measuring treadmill.
  • To investigate changes in running variability during fatiguing exercise.

Main Methods:

  • Utilized a treadmill equipped with four force transducers to collect gait data.
  • Monitored 39 healthy volunteers running to exhaustion.
  • Measured step parameter variances and lactate levels.

Main Results:

  • A distinct change in step parameter variances was observed over time.

Related Experiment Videos

  • 17 subjects exhibited a sudden increase in variance, indicating altered gait.
  • Lactate measurements supported the hypothesis that some subjects stopped prematurely.

    • Conclusions:

    • The force-transducer treadmill effectively captures continuous running patterns.
    • Running patterns become irregular during the terminal phase of exhaustive exercise.