Arthroscopic Repair of the “Tibial Avulsion Triad”—ACL Posterolateral Bundle, PCL, and Lateral Meniscus Posterior Root: The Triple Tunnel Technique
Bibliographic record
Abstract
Tibial avulsion fractures of the posterior cruciate ligament (PCL) are rare injuries that can be fixed either via and open or arthroscopic approach to restore native knee biomechanics. The advantage of arthroscopic fixation is the ability to treat concomitant intra-articular pathologies that are otherwise difficult to identify and manage via an open approach, such as medial meniscal root tears and avulsions. This technical note describes an all-arthroscopic technique of treating a rare and previously undescribed injury pattern consisting of PCL tibial and lateral meniscus posterior root bony avulsions and ACL posterolateral bundle tibial peel-off, termed the "tibial avulsion triad".
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".