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Journal of the Korean Academy of Rehabilitation Medicine 2007;31(3):329-332.
Anatomical Considerations of Lateral and Medial Antebrachial Cutaneous Nerves.
Sin, Joo Yong , Kim, Dong Hwee , Bun, Hye Ryoung , Hwang, Mi Ryoung , Kang, Yoon Kyoo , Kwon, Hee Kyu , Lee, Hang Jae
Department of Rehabilitation Medicine, College of Medicine, Korea University, Korea. rmkdh@korea.ac.kr
외측 전완피신경과 내측 전완피신경의 해부학적 고찰
신주용, 김동휘, 번혜령, 황미령, 강윤규, 권희규, 이항재
고려대학교 의과대학 재활의학교실
Abstract
Objective
To evaluate the anatomic course of the lateral antebrachial cutaneous nerve (LABCN) and medial antebrachial cutaneous nerve (MABCN) in the forearm.
Method
We dissected 29 upper extremities of 16 cadavers for LABCN and 20 upper extremities of 15 cadavers for the MABCN. We measured the distance (BT_L) between the biceps tendon (BT) and LABCN on the intercondylar line. The BT is the point at which biceps tendon crosses intercondylar line. The distance (L12) between LABCN and the point of 12 cm distal to BT on the line between BT and radial artery at wrist was measured. The distance (ME_M) between MABCN and medial epicondyle on the intercondylar line was measured. M8 and M10 are the distances between MABCN and the points 8 cm and 10 cm distal to BT on the line from BT to mid-point of flexor carpi radialis and palmaris longus at the wrist respectively.
Results
BT_L and L12 were 1.4±3.7 mm and 4.4±3.7 mm respectively. ME_M, M8 and M10 were 28.6±6.9 mm, 18.9±8.9 mm and 18.3±8.2 mm respectively. The thickness of LABCN and MABCN was 19.1±4.9 mm and 13.2±4.2 mm respectively.
Conclusion
The LABCN was emerge just lateral to biceps tendon at the elbow and ran down to radial artery. The anatomic course of MABCN was variable at the elbow and forearm. (J Korean Acad Rehab Med 2007; 31: 329-332)
Key Words: Lateral antebrachial cutaneous nerve, Medial antebrachial cutaneous nerve, Anatomy


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