The Short-Term Effects of Joint Mobilizations on Acute Mechanical Low Back Dysfunction in Collegiate Athletes.
Bibliographic record
Abstract
Context: Although a variety of theories and studies have been cited to support the use of joint mobilization in the spine as an integral part of the treatment and rehabilitation process, information about the short-term effects of joint mobilization on acute low back injury with respect to patient pain and strength changes has been limited.Objective: To examine the short-term effects of grade 1 and 2 posteroanterior joint mobilizations at the lumbar spine on subject pain and muscle force after an episode of acute, mechanical low back pain.Design: Group (2) by time (2 or 3).Setting: Athletic training clinic.Patients or Other Participants: Male collegiate athletes (n = 19) with mechanical low back pain as assessed through a standardized evaluation were randomly assigned to a control (n = 10) or experimental (n = 9) group.Intervention(s): All subjects underwent a standardized treatment protocol of cryotherapy and stretching during data collection. Subjects completed the McGill Pain Questionnaire and a visual analog scale (the latter to assess pain levels during range-of-motion activities) and, using a handheld dynamometer, performed 3 maximum voluntary isometric contractions to determine muscle force. Grade 1 and 2 joint mobilizations were administered to the experimental group, whereas the control group was placed in a prone position of comfort for the time it took to perform the joint mobilizations.Main Outcome Measure(s): Baseline, immediate posttreatment, and 24-hour posttreatment measurements of pain and muscle force were taken.Results: Compared with the control group, the experimental group demonstrated significant decreases in the sensory subscale scores of the McGill Pain Questionnaire and in pain during lumbar extension and a significant increase in force production.Conclusions: Grade 1 and 2 joint mobilizations reduced subjects' pain and increased force production in the short-term stages of mechanical low back pain.
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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) | 0.002 | 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".