HOW LONG DO PATIENTS TAKE TO REGAIN THEIR BASELINE STRENGTH FOLLOWING ARTHROSCOPIC TREATMENT FOR FEMOROACETABULAR IMPINGEMENT?
Bibliographic record
Abstract
It has been well-established that arthroscopic treatment of femoroacetabular impingement (FAI) yields favourable outcomes compared to conservative treatment. Most patients follow a rigorous post-operative rehabilitation protocol following surgery, however it is unclear how long it takes for patients to regain their strength or exceed their baseline strength post-operatively. The objective of our study was to assess post-operative improvements in strength in patients who received arthroscopic treatment of FAI. Patients who underwent hip arthroscopy for FAI between 2019 and 2021 with a minimum clinicoradiological follow-up of one year were included. Primary outcomes included strength measurements (flexion, extension, abduction, and internal/external rotation) as measured using a handheld dynamometer pre-operatively and at regular intervals post-operatively until the one-year post-operative time point. Secondary outcomes included International Hip Outcome Tool (iHOT-33) scores. Fifty patients were evaluated with a mean age of 38.2±16.4 years at the time of the surgery. The mean duration of follow-up was 1.58±0.41 years. At the 6-month follow-up, 58% of met baseline flexion strength and 92% of patients met baseline extension strength measures. Only 58% of patients met baseline strength with internal/external rotation. By the one year mark, over 70% of patients met baseline strength measures for flexion, extension, and internal and external rotation. Interestingly, only 57% of patients met baseline strength for abduction. All patients improved post-operatively with respect to their iHOT-33 scores (p < 0 .001). Treatment of FAI with hip arthroscopy requires post-operative rehabilitation. Most patients can expect to return to their baseline strength levels by one year post-operatively following diligent rehabilitation as guided by a physiotherapist. Abduction strength is the slowest strength outcome to return to baseline and rehabilitation programs may need to be tailored accordingly.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".