Investigating the Relationship between Core Muscle Endurance with Movement Function and Postural Control in Blind People

Document Type : Original article

Authors

1 PhD, Assistant Professor, Department of Health and Sport Medicine, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran

2 MSc in Sport Injuries and Corrective Exercises, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran

Abstract

Background and Aims: Balance is a health-related fitness factor that is one of the most essential neuromuscular functions in performing simple and complex exercise activities. Vision plays a decisive role in processing and integrating other sensory inputs for balance control. The purpose of the present study was to investigate the relationship between core muscle endurance with movement function and postural control in blind people.
Materials and Methods: The samples consisted of 32 blind men, aged 18-29 years old, selected through purposeful sampling method. Modified stork stand balance, tandem walking, and berg balance tests were used to assess the balance and Tinetti test and time up and go were used to assess function. Moreover, we used trunk lateral endurance test, Trunk Extensor Endurance Test, and Trunk flexor endurance test to evaluate endurance of core stabilizing muscles retrieved from McGill protocol. Normality of data was measured using Shapiro-Wilk Test. In addition, Spearman correlation test was used to determine the correlation between core stability, balance, and movement function at the significance level of 0.05.
Results:Pearson correlation test showed that there is a significant relationship between dynamic balance in tandem walking tests and trunk extension only (P <0.05). Also, a significant relationship was found between the results obtained from static balance test and trunk endurance extension, non-dominant side-bridge test, and trunk flexor (P <0.05). The results of Pearson correlation test showed that there is a significant relationship between endurance of trunk extension and lateral flexion endurance of non-dominant side and the results obtained from Berg, Tinetti, and Time Up and Go tests (P <0.05).
Conclusion: According to the results of the present study, strengthening core muscle endurance seems to be necessary to improve balance and function of the blind and also to prevent the occurrence of impaired balance injury.

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Main Subjects

References

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The Scientific Journal of Rehabilitation Medicine
Volume 9, Issue 2
July 2020
Pages 148-157

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History

  • Receive Date: 23 April 2019
  • Revise Date: 16 September 2019
  • Accept Date: 05 October 2019
  • First Publish Date: 21 June 2020

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