Prehabilitation Prior To Knee Arthroplasty Increases Post Surgical Function
Bibliographic record
Abstract
Conditioning the body to undergo physical stress is integral in sports. This concept can be applied to conditioning the body prior to stressful events such as joint arthroplasty and is termed prehabilitation. PURPOSE: The purpose of this case study was to examine the effect of an 8-week prehabilitation intervention on functional ability following total knee arthroplasty (TKA). METHODS: Two female subjects completed baseline assessments of their functional ability 8 weeks prior to their TKA. Subjects were randomized to either an 8-week prehabilitation intervention designed to increase their strength and range of motion, or a usual care condition. After 8 weeks subjects were re-assessed in the week prior to their TKA. Subjects completed a final assessment of their functional ability 12 weeks after TKA. These assessments of functional ability consisted of the distance covered in a 6-minute walk, the number of times up from a chair in 30-seconds, proprioception and self-reported pain and stiffness using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). RESULTS: Compared to the Control Subject (CS), the data suggests that the 8 weeks of prehabilitation completed by the Exercise Subject (ES) prior her TKA may have had a positive effect on functional outcomes after TKA. The ES exhibited improvement in distance covered during the 6-minute walk (ES: 26% improvement, CS: 2% decline) and greater improvement in number of chair rise repetitions completed in 30-secconds (ES: 44% improvement, CS: 23% improvement). Additionally, knee proprioception improved greater for the ES, compared to the CS (angle reproduction: ES: 267% improvement, CS: 20% improvement; movement detection: ES: 100% improvement, CS: no change from baseline). The ES also reported less pain (ES: 1100% less, CS: 350% less) and less joint stiffness (ES: 100% less, CS: 67% less). CONCLUSIONS: A prehabilitation intervention designed to increase strength and range of motion appears to result in improved functioning following surgery over usual care among TKA patients. Prehabilitation prior to TKA may contribute to improved recovery after surgery, thus reducing the amount of physical therapy hours.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| 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) | 0.004 | 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 source (direct Gemma or distilled Codex), 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".