Abstract
Background: Numerous evaluation criteria are found in the literature to determine the resumption of sport in patients with anterior cruciate ligament (ACL) surgery. Nevertheless, no consensus can conclude today on precise indicators to determine the return to sport (RTS) at 6 months after ACL surgery. Aim: The purpose of this study is to determine whether isokinetic evaluation has indicators representative of the functional status of the knee after ACL surgery with semitendinosus and gracilis tendons (STG) to RTS. Methods: Twenty-two patients, 6.2 months after ACL surgery with STG participated in the study. A correlation was sought between the International Knee Documentation Committee (IKDC) subjective form and the following isokinetic parameters for flexors and extensors at angular velocities of 60°/s and 240°/s: Peak Torque (PT), Flexors /Extensors ratio, PT/kg, and the total work. Results: The statistical analysis found significant correlations between the IKDC subjective form is PT/ kg, PT and total work with the exception of 60°/s flexors. No correlation was found for the flexor / extensor ratio. Conclusion: PT, PT/kg, total work of extensors and flexors at 240°/s and extensors at 60°/s appear to be the best indicators of knee functional status for sports recovery after ACL surgery
Highlights
The evaluation criteria for the return to sport (RTS) of patients with ACLR remain non-consensual
Peak Torque (PT), PT/kg, total work of extensors and flexors at 240°/s and extensors at 60°/s appear to be the best indicators of knee functional status for sports recovery after anterior cruciate ligament (ACL) surgery
Statistical analysis revealed significant correlations between International Knee Documentation Committee (IKDC) subjective form and all PT/kg variables in extension and flexion, in concentric at 60 and 240°/s, all PT variables in concentric at 60 and 240°/s and the total work done at 60°/s in extension and at 240°/s in flexion and extension
Summary
The evaluation criteria for the RTS of patients with ACLR remain non-consensual. Despite the use of forms (IKDC, KOOS, Lyshom, etc.) [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19], it appears that the best indicators in terms of muscular strength, neuromotor abilities and psychosocial level give only a partial indication performance and fail to predict the most optimal risk of recurrence sometimes important [4,10].Among these forms, the IKDC subjective addresses satisfactory reliability criteria, with a sensitivity of 0.82, a specificity of 0.88, a test-retest of 0.9412 and an ICC of 0.92 at 6 months after ACLR. [6,11,15,18,20,21,22]Combined with the functional forms, isokinetic dynamometer testing is the gold standard for ligamentous knee muscle assessment, thanks to the safety of the examination and the reproducibility of the results [7,8,23,24]. Despite the use of forms (IKDC, KOOS, Lyshom, etc.) [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19], it appears that the best indicators in terms of muscular strength, neuromotor abilities and psychosocial level give only a partial indication performance and fail to predict the most optimal risk of recurrence sometimes important [4,10] Among these forms, the IKDC subjective addresses satisfactory reliability criteria, with a sensitivity of 0.82, a specificity of 0.88, a test-retest of 0.9412 and an ICC of 0.92 at 6 months after ACLR. This evaluation in open kinetic chain is moving away from the functional aspect of the athlete rather accustomed to alternate the kinetic chain open and closed in his practice as well as contractions concentric and eccentric
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