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The Effect of a Modified Perturbation Training on Muscle Activation Pattern and Function in ACL Deficient Patients

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Author(s): Mehdi Naserpour | Ali Ashraf Jamshidi | Ali Amiry | Mohammad Reza Kihany

Journal: Scientific Medical Journal
ISSN 1026-8960

Volume: 10;
Issue: 6;
Start page: 615;
Date: 2012;
Original page

Keywords: Anterior cruciate ligament deficiency | Electromy ography | Muscle activation pattern | Perturbation training | Neuromuscular control

ABSTRACT
Background and Objective: A lesion of the anterior cruciate ligament (ACL) is a major trauma of the knee. Neuromuscular control is believed to be a critical factor in dynamic knee stability in ACL deficient (ACLD) patients. Neuromuscular training programs (in particular perturbation training) are increasingly integrated into clinical practice for ACL lesion rehabilitation. The purpose of this study was to investigate the effect of the modified perturbation training on neuromuscular control system and functional improvement in ACLD.Subjects and Methods: 10 professional male athletes with an average of 6.7±3.19 months after their unilateral ACL ruptureparticipated in this study. Surface Electromyographic (EMG) data were recorded during a cross hop task, from the rectus femoris, vastus medialis, medial head of the gastrocnemius, biceps femoris and gluteus maximus muscles. Muscle activation patterns before and after 10 sessions of perturbation training were compared. Treatment outcome was determined from scores of questionnaires and functional tests.Results: Scores of IKDC subjective questionnaire and functional tests were significantly improved (P
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