Effects of Six Weeks of Agility Exercises on Maximum Ground Reaction Force, Knee Proprioception, Balance, and Performance in Taekwondo Athletes of Alborz Province League

Document Type : Original article

Authors

1 MSc in Sport Injuries and Corrective Exercises, Faculty of Physical Education, University of Raja, Qazvin, Iran

2 Assistant Professor, Department of Physical Education and Sport Sciences, University of Amirkabir, Tehran, Iran

3 Assistant Professor, Department of Biomechanic and Sport Injury, School of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran

Abstract

Background and Aims: Martial arts have the highest prevalence rate of sport injuries. Most injuries in Taekwondo occur in lower extremities.
Scientific findings have reported a high prevalence of ligamentous injuries in the athletes’ knee joint in martial arts. The purpose of the present study was to investigate the effects of six weeks of agility exercises on maximum ground reaction force of the knee, knee proprioception, as well as balance and performance in Taekwondo athletes of Alborz Province.
Materials and Methods: A total of 30 athletes (Age: 13.47±2.63 years, weight: 45.92±5.56 kg, and height: 155.56±4.72 cm) were selected and randomly assigned into two groups (15 in each group). A voluntary consent was obtained and a demographic information form was used to collected the demographic information Force plate was used to assess the kinetic variable (maximum ground reaction force). Single hop and triple hop functional tests were used to determine the functional performance. Also, universal goniometer was used to measure the proprioception of the knee and Y balance test was used for evaluating the dynamic balance. After group allocations, pre-test was conducted to measure the research variables. After pre-test, the agility exercises program (having four stages and based on jumping movements) was applied in the experimental group for six weeks. Subsequently, the post test was performed to measure the variables of the research, with a procedure similar to the pre-test.
Results: It was found that participating in six weeks of the interventions may result in decreased maximum ground reaction force of the knee (P=0.00) (approximately 4% reduction), improved knee proprioception (P=0.00) (approximately 55% error reduction), and dynamic balance (poterolateral) (P=0.02) (approximately 20% improvement) in the experimental group compared to the control group.
Conclusion: The results of the current study indicated that the effects of agility exercises on the mentioned factors was significant. Therefore, the interventions can be considered as a safe and effective method for improving mentioned factors in Taekwondo athletes. Also, these exercises with their positive effects on the mentioned factors may improve other contributing factors.

Keywords

Main Subjects

References

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The Scientific Journal of Rehabilitation Medicine
Volume 9, Issue 1
April 2020
Pages 74-87

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History

  • Receive Date: 28 August 2018
  • Revise Date: 03 February 2019
  • Accept Date: 26 April 2019
  • First Publish Date: 20 March 2020

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