Effect of Long-term Use of Motion Control Shoes on Muscular Frequency Spectrum in Individuals with Pronated Feet during Walking

Document Type : Original article

Authors

1 PhD, Department of Physical Education and Sport Science, Faculty of Education and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran

2 MSc in Sport Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran

3 PhD, Professor. Sport physiology, Dept. of Physical Education and Sport Sciences, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran

4 PhD, Assistant Professor. Sport physiology, Dept. of Physical Education and Sport Sciences, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran

Abstract

Background and Aims:Pronated foot involves the reduction of the inner longitudinal arch of the foot that is associated with other anatomical abnormalities. The purpose of the present study was to investigate the effects of long-term use of motion control shoes on the muscular frequencyspectrum in individuals with pronated foot during walking.
Materials and Methods:A semi-experimental and laboratory study was conducted on 24 men with pronated foot who took part in the study on a voluntary basis. They were randomly divided into two equal groups, including control (age: 24.1±5.6 years, height: 166±2.6, weight: 52.66±6.3 kg) and experimental (age: 24.1±5.6 years, height: 166±2.2 cm, weight: 52.66±6.3 kg). The electrical activity of the lower limb and trunk muscles were recorded using electromyography system during walking before and after four months of wearing control and motion control shoes. Wilcoxon, U Mann-Whitney, and Friedman tests were used to analyze the data.
Results:The findings showed that the frequency spectrum of the vastus lateralis muscle (P = 0.003; high effect size) significantly increased during the post-test compared with that of the pre-test. Also, in the experimental group, the gluteus medius muscle (P=0.015; high effect size) showed a significant increase in frequency spectrum during the post-test compared with the pre-test. Other muscles did not show any significant difference before and after long-term use of motion control shoes (P >0.05).
Conclusion:Generally, the long term use of motion control shoes change lower limb muscular frequency spectrum. Further studies on the long term effects of motion control shoes on body mechanics are suggested.

Keywords

Main Subjects

References

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The Scientific Journal of Rehabilitation Medicine
Volume 9, Issue 2
July 2020
Pages 101-109

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History

  • Receive Date: 05 May 2019
  • Revise Date: 25 June 2019
  • Accept Date: 07 September 2019
  • First Publish Date: 21 June 2020

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