Can Eight Weeks of Stabilization Exercise Change the Amount of Knee Flexion and Anterior Shear Force?

Document Type : Original article

Authors

1 PhD Student in Corrective Exercise and Sport Injury, University of Esfahan, Iran

2 Associate Professor in Pathology and Corrective Exercise, School of Physical Education and Sports Sciences, University of Isfahan, Isfahan, Iran

3 Associate Professor, Isfahan University of Medical Sciences, Rehabilitation Faculty, Orthotics and Prosthetics Department, Isfahan, Iran

Abstract

Background and Aim: Anterior Cruciate Ligament (ACL) injury occurs frequently among athletes during single-leg landing and identifying factors which cause the high incidence of ACL injury is of great importance. The biomechanical factors and anterior shear forces are the primary mechanisms of load sustained on the ACL. The lower extremity position during activity may increase or decrease the anterior shear force. Therefore, the objective of the present study was to evaluate the effect of eight-week stabilization training on knee flection and anterior shear force during a drop landing task to prevent ACL injury.
Materials and Methods: A total of 30 basketball athletes were randomly assigned into a training group (n = 15), and a control group (n = 15). Training group performed the Core stability training during eight weeks but control group did not perform these exercises. Lower extremity kinetics and kinematics variables were calculated in pretest and posttest during single leg drop landing using motion analysis and force plat. Data were analyzed using mixed ANOVA repeated measure with the significance level set at P< 0.05.
Results: The results revealed that the amount of knee flexion in the training group significantly increased after eight weeks of training (P< 0.05), but there were no significant reduction in anterior shear forces (P> 0.05).
Conclusion: Based on the findings of the current study, core stability training with increasing core stability has probably improved muscles recruitment strategy during drop landing. Therefore, according to the results of the present study, we can conclude that stabilization training can result in the reduction of risk factors of ACL injury including biomechanical and factors during dynamic movemen
 

Keywords

Main Subjects

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The Scientific Journal of Rehabilitation Medicine
Volume 7, Issue 2
July and August 2018
Pages 11-22

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History

  • Receive Date: 15 February 2017
  • Revise Date: 23 May 2017
  • Accept Date: 26 May 2017
  • First Publish Date: 22 June 2018

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