Int J Sports Med 2007; 28(10): 868-872
DOI: 10.1055/s-2007-964912
Orthopedics & Biomechanics

© Georg Thieme Verlag KG Stuttgart · New York

Muscle Strength Evaluations after ACL Reconstruction

A.-S. Moisala1 , T. Järvelä2 , P. Kannus3 , M. Järvinen4
  • 1Medical School, Tampere University, Tampere, Finland
  • 2Department of Orthopaedics and Traumatology, Hatanpää Hospital, Tampere, Finland
  • 3UKK Institute, Accident and Trauma Research Center, Tampere University, Tampere, Finland
  • 4Division of Orthopaedics and Traumatology, Department of Trauma, Musculoskeletal Surgery and Rehabilitation, Tampere University Hospital, Tampere, Finland
Further Information

Publication History

accepted after revision August 25, 2006

Publication Date:
15 March 2007 (online)

Abstract

The quadriceps and hamstring muscle strengths of 16 patients operated using a bone-patellar tendon-bone (BTB) autograft and 32 patients operated using a quadruple hamstring autograft for an arthroscopic anterior cruciate ligament (ACL) reconstruction were analyzed 4- to 7-years postoperatively. Standardized isokinetic testing, a clinical evaluation and instrumented assessment of knee laxity were done. The findings showed no significant strength deficits between the patients in the BTB and Hamstring groups and the deficits were, in general, small. The quadriceps and hamstring muscle strengths were better in patients with a longer than shorter follow-up and stable knees had less knee flexion torque deficit than unstable knees. Strength deficit was associated with lower Lysholm knee scores. The findings of this study showed that the muscle strengths of the operated limb had a positive association with the functional outcome of the knee in the long-term and support the use of active rehabilitation after ACL reconstruction.

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MD Anna-Stina Moisala

Tampere University
Medical School

Teiskontie 35

33014 University of Tampere

Finland

Email: anna-stina.moisala@uta.fi

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