ArticleOrthopaedic journal of sports medicine2026
Factors Associated with Quadriceps Strength Recovery at 6 and 12 Months After Anterior Cruciate Ligament Reconstruction Using Quadriceps Tendon-Bone, Bone-Patellar Tendon-Bone, and Hamstring Tendon Autografts.
Article in Orthopaedic journal of sports medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Anterior cruciate ligament reconstruction (ACLR) using a quadriceps tendon with bone (QTB) autograft has been associated with reduced quadriceps strength at 6 months postoperatively compared to other autograft options. However, limited studies have assessed strength recovery after return to sports after ACLR, particularly involving QTB autografts. Purpose: To examine factors influencing quadriceps strength recovery at 6 and 12 months after ACLR using QTB, bone-patellar tendon-bone (BPTB), and hamstring tendon (HT) autografts. Study Design: Cohort study; Level of evidence, 3. Methods: Individuals who underwent primary ACLR using QTB, BPTB, or HT autografts, had a preinjury Tegner activity scale (TAS) score >5, and completed at least 12 months of follow-up were included. Participants were classified into recovery (>90%) and nonrecovery (≤90%) groups based on the limb symmetry index of quadriceps strength compared to the contralateral leg at 6 and 12 months post-ACLR. Variables associated with quadriceps strength recovery at these time points were analyzed. Results: A total of 154 participants were included. Multivariable logistic regression showed that use of QTB (OR, 0.11; Conclusion: Use of QTB or BPTB autografts, meniscal repair, and lower preinjury TAS score were factors associated with quadriceps strength deficit at 6 months after ACLR. At 12 months, lower preinjury TAS score and lower KOOS pain at 3 months were factors associated with persistent strength deficit.
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