ArticleThe American journal of sports medicine2025
Posterolateral Knee Ligament Reconstruction Using the Arciero Technique Provides Greater Rotational Stability Than the Modified Larson Technique: A Biomechanical Study.
Article in The American journal of sports medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- The Use of Arthroscopy in Diagnosis and Operative Treatment of Knee Posterolateral Corner Injuries: A Narrative Review.Journal of clinical medicine · 2026Review
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundIt is still unknown if the double-femoral tunnel technique (Arciero [ARC]) provides better stability as compared with the single-femoral tunnel technique (modified Larson [LAR]) in posterolateral corner reconstruction. The ideal angle of fixation of the popliteofibular strand in ARC is also unknown. HYPOTHESES: The ARC provides greater external rotation (ER) stability than the LAR (hypothesis 1); there is no difference in varus rotation (VR) stability between LAR and ARC (hypothesis 2); and femoral fixation of the popliteofibular strand at 60° during the ARC leads to greater ER stability than fixation at 30° or 90° of knee flexion (hypothesis 3). STUDY
designControlled laboratory study.
methodsEight fresh-frozen human knees were tested in a knee test bench in 4 states: native, posterolateral deficiency, LAR, and ARC. With the ARC, the popliteofibular strand was fixed at 30°, 60°, and 90° (ARC30, ARC60, ARC90). The order of testing (LAR/ARC) was randomized. A tibial ER and VR torque of 5 N·m was applied at 0°, 30°, 60°, and 90°. Rotation degrees were captured using an ultrasound-based analysis system. Wilcoxon signed rank tests were used to assess statistical significance between paired groups in different states.
resultsThe ARC and LAR significantly improved VR and ER stability at all flexion angles in comparison with posterolateral deficiency (
conclusionThe ARC technique provided greater tibial ER stability in comparison with the LAR at higher flexion angles (hypothesis 1 accepted). There were no differences between LAR and ARC in restoring VR stability, except at 90° (hypothesis 2 partly accepted). Different femoral flexion angles for fixation of the popliteofibular strand during the ARC did not show any significant differences in relation to knee stability (hypothesis 3 rejected). CLINICAL RELEVANCE: Posterolateral corner reconstruction using the ARC technique provides greater ER stability at higher flexion angles than the modified LAR technique.
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