The Comparison of Ground Reaction Forces Components during Walking in Patients with ACL Tear, ACL Reconstruction Compared to Normal Subjects

Authors

1 Assistant Professor, Department of Physical Education and Sport Science, Human Science Faculty, University of Kashan, Kashan, Iran

2 MSc Student, Department of Physical Education and Sport Science, University of Peyam noor, Garmsar, Semnan, Iran

Abstract

Background:
The aim of this study was to compare the ground reaction forces components during walking in patients with ACL tear, ACL reconstruction compared to normal subjects.
Materials and Methods:
Six men with ACLD (anterior cruciate ligament disease) and six men with ACLR (anterior cruciate ligament reconstruction) and 7 normal people were participated in this study. Walking ground reaction forces components was assessed. Data were analyzed by independent T-test and ANOVA in set point of 0/05.
Results:
There were no significant differences between sound side and affected side in ACLD and ACLR groups (P>0.05). Vertical impulse in normal group was significantly greater than that of ACLR group (p=0.04). Peak vertical ground reaction forces in normal group was significantly greater than that of ACLD (p=0.004) and ACLR (p=0.03) groups.
Conclusion:
Although anterior cruciate ligament reconstruction improve propulsive force but did not improve second peak of ground reaction force in ACLR group. Maybe strengthening of weaken muscle could improve the second peak of ground reaction force. So, strengthening the hip, knee, and ankle extensor muscles seem to be consider.

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