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Effect of arm position on the acromion – axillary nerve distance
| Mean nerve distance (cm) | Standard deviation (SD, cm) | Range (cm) | p-value* compared to mean distance in neutral | |
|---|---|---|---|---|
| Adduction | 6.2 | 0.5 | 4.7 to 6.7 | p=0.06 |
| Neutral | 6.0 | 0.6 | 4.5 to 6.5 | |
| Abduction | 4.5 | 0.6 | 3.5 to 5.3 | p<0.0001 |
