ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2023
Combining age, sex, body mass index, sport level, and preoperative quadriceps strength improves the predictive ability of quadriceps strength recovery after anterior cruciate ligament reconstruction.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 11 citations in OpenAlex.
- Early-Phase Quadriceps Activation After Knee Surgery: A Narrative Review of Current Rehabilitation Interventions and Identification of an Unmet Clinical Need.Journal of clinical medicine · 2026Review
- 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.Orthopaedic journal of sports medicine · 2026Article
- Advances in anterior cruciate ligament reconstruction: Risk stratification, graft choices, and functional recovery in 2026.Journal of experimental orthopaedics · 2026Review
- Compromised quadriceps and hamstring force control, not maximal strength, is associated with gait biomechanics at 9 months following anterior cruciate ligament reconstruction.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
- Higher Unilateral Muscle Imbalance at the Contralateral Knee 6 Months after Anterior Cruciate Ligament Reconstruction.Sports (Basel, Switzerland) · 2024Article
- The Delaware-Oslo ACL Cohort treatment algorithm yields superior outcomes to usual care 9-12 years after anterior cruciate ligament reconstruction.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2024Article
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12 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeThis study compared the predictive ability of each independent predictor with that of a combination of predictors for quadriceps strength recovery one year after anterior cruciate ligament (ACL) reconstruction.
methodsPatients who underwent primary ACL reconstruction using hamstring autografts were enrolled. Quadriceps strength, hamstring strength, and anterior tibial translation were measured, and the limb symmetry index (LSI) of the quadriceps and the hamstrings was calculated preoperatively and one year after surgery. Patients were classified into two groups according to the LSI of the quadriceps strength at one year postoperatively (≥ 80% or < 80%). Multivariate logistic regression analysis identified the independent predictors of quadriceps strength recovery, and the cut-off value was calculated using the receiver operating characteristic curve. A model assessing predictive ability of the combination of independent predictors was created, and the area under the curve (AUC) for each independent predictor was calculated by using the receiver-operating characteristic curves and the DeLong method.
resultsOf the 646 patients, 414 (64.1%) had an LSI of at least 80% for quadriceps strength one year after surgery, and 232 patients (35.9%) had an LSI of < 80%. Age, sex, body mass index (BMI), preinjury sport level, and LSI of preoperative quadriceps strength were independently associated with quadriceps strength recovery one year after ACL reconstruction. The cut-off values were age: 22.5 years; sex: female; BMI: 24.3 kg/m
conclusionThe combination of age, sex, BMI, preinjury sport level, and LSI of preoperative quadriceps strength had a superior predictive ability for quadriceps strength recovery at one year after ACL reconstruction than these predictors alone. Multiple factors, including patient characteristics and preoperative quadriceps strength, should be considered when planning rehabilitation programs to improve quadriceps strength recovery after ACL reconstruction. LEVEL OF EVIDENCE: III.
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