肩肘位置对尺神经传导的影响。
Effect of shoulder and elbow position on ulnar nerve conduction.
机构信息
Department of Physical Medicine and Rehabilitation, University of Toronto, Toronto, Ontario.
出版信息
Muscle Nerve. 2019 Jul;60(1):88-90. doi: 10.1002/mus.26489. Epub 2019 May 6.
INTRODUCTION
The aims of this study were to determine the effect of shoulder and elbow position on ulnar nerve conduction studies (NCS), and the length of reserve that asymptomatic individuals have in their ulnar nerves.
METHODS
Healthy subjects (n = 22) underwent ulnar NCS in 4 positions of shoulder abduction and elbow flexion.
RESULTS
The mean increase in nerve conduction velocity (NCV) from the slack position of shoulder adducted and elbow extended to the stretch position of shoulder abducted and elbow flexed was 2.9 m/s (P < 0.01). Using this difference, the mean length of reserve in the ulnar nerve along the limb was found to be 28.3 (SD=13.8) mm. Shoulder abduction increased the mean NCV 0.8 m/s (P = 0.03) independent of elbow flexion.
CONCLUSIONS
This study demonstrates an ulnar nerve reserve in healthy patients that is taken up with shoulder abduction and elbow flexion and suggests shoulder position should be standardized during ulnar NCS. Muscle Nerve, 2019.
简介
本研究旨在确定肩部和肘部位置对尺神经传导研究（NCS）的影响，以及无症状个体尺神经的储备长度。
方法
健康受试者（n=22）在 4 种肩外展和肘弯曲位置下进行尺神经 NCS。
结果
从肩部内收和肘部伸展的松弛位置到肩部外展和肘部弯曲的伸展位置，神经传导速度（NCV）的平均增加为 2.9 m/s（P<0.01）。利用这一差异，发现尺神经在肢体上的平均储备长度为 28.3（SD=13.8）mm。肩外展增加了 0.8 m/s 的平均 NCV（P=0.03），与肘弯曲无关。
结论
本研究在健康患者中证明了尺神经的储备，这种储备随着肩外展和肘弯曲而被消耗，提示在进行尺神经 NCS 时应标准化肩部位置。肌肉神经，2019 年。
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