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근육피부신경과 정중신경의 연결 및 임상적 의의

Other Titles
 Communication between the musculocutaneous and the median nerves and its clinical significance 
 정인혁  ;  윤관현  ;  라종주  ;  김동환  ;  임중혁  ;  시게노리다나까 
 Korean Journal of Anatomy (대한해부학회지), Vol.31(5) : 779-783, 1998 
Journal Title
 Korean Journal of Anatomy (대한해부학회지) 
Issue Date
The purpose of this study was to investigate variations in the communicating branch between the musculocutaneousand the median nerves and to discuss their clinical significance. Seventy two arms from 36 Korean adults were used.Twenty four cases (33.4%) among 72 arms had communications between the musculocutaneous and the mediannerves. In 19.5%, a communicating branch ran from the musculocutaneous to the median nerves and in 4.2% of these a communicating branch formed a loop. A branch running from the median to the musculocutaneous nerves wasobserved in 6.9%. There were more than two communicating branches between two nerves in 5.6%. The average anglebetween the musculocutaneous nerve proximal and distal to the coracobrachialis was 159±9at adduction of the arm.The musculocutaneous nerve did not pierce the coracobrachialis muscle in 2.8%. One case (1.4%) showed partial fusion of the trunks of the musculocutaneous and median nerves. The musculocutaneous nerve ran next to the median nerve after the coracobrachialis muscle and coursed laterally in 5.6% with or without a communicating branch. In these cases, the angle of the musculocutaneous nerve was more acute. The musculocutaneous nerve entrapment is discussed with this angle.
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1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
Yonsei Authors
Chung, In Hyuk(정인혁)
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