The Impact of Reacher Length on Electromyography Activity and Task
Bibliographic record
Abstract
BACKGROUND: Reachers are common assistive devices prescribed to help individuals carry out their day-to day activities. PURPOSE: The purpose of this study was to examine the effect of muscle activity in the arm and forearm when using two commercially available reachers of different lengths. METHOD: Fifteen women between the ages of 23 and 25 performed a reaching activity that simulated moving a soup can from a cupboard to a counter. Surface electromyography was used to measure the muscle activity in the arm and forearm and to gain an understanding of the relative contributions of different muscles when using the short-handled reach in comparison to the long-handled reacher. RESULT: The results showed no significant differences between the short and the long reacher conditions for any of the muscles investigated. PRACTICE IMPLICATIONS. The length of a reacher does not necessarily affect the amount of muscle strength required in some muscles and may not be a major factor in the therapist's choice of reacher length.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| 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".