Identification of Isokinetic Criteria for Return to Sport after Anterior Cruciate Ligament Surgery with Semitendinous and Gracilis Graft

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. 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 Semitendinous 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.

Author(s): Florian Forelli*, Maude Traulle, Jean Mazeas, Amaury Vandebrouck, Pascal Duffiet and Louis Ratte

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