Clinimetric Properties of the Applied Kinesiology Manual Muscle Test in Adults With and Without Pain: A Methodological Study
Bibliographic record
Abstract
The purpose of this study was to determine the intra- and interexaminer reliability, concurrent validity, and responsiveness of the applied kinesiology manual muscle test (AK-MMT) to discriminate gluteus medius muscle strength and latency. A cross-sectional and methodological study was conducted in 38 participants using electromyography, electrogoniometry, and hand-held dynamometry to measure latency, angular displacement, and muscle force during the assessment of the gluteus medius by AK-MMT. Inter- and intrarater reliability of 2 examiners with different levels of experience were obtained using the intraclass correlation coefficient. Muscle force, latency, and joint angular displacement were compared between groups (facilitated vs inhibited). Latency and angular displacement also were compared within groups by using the Wilcoxon paired test. For the concurrent validity of the AK-MMT in classifying an inhibited muscle as weak, the receiver operating characteristic curve was conducted. Intra- and interexaminer reliability for the facilitated vs inhibited classifications based on AK-MMT presented good results, with intraclass correlation coefficient > 0.86. For the inhibited group, force and peak force were significantly lower and joint displacement significantly greater. The receiver operating characteristic curve showed an area under the curve of 0.743, demonstrating that the test has concurrent validity (P = .001) to discriminate muscle force. The Wilcoxon paired test showed a significant delay in latency of the inhibited gluteus medius group (0.10 s vs 0.18 s, P = .007) when compared with the facilitated one. In this study, we found good intra- and interexaminer reliability and concurrent validity for the AK-MMT to determine differences in gluteus medius muscle force. Although the paired data showed a different latency time between groups, the hypothesis of prolonged latency in muscles classified as inhibited by AK-MMT still needs further investigation.
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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 | 0.013 | 0.063 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".