ANATOMICAL STUDY OF THE MUSCULOCUTANEOUS NERVE IN RELATION TO THE CORACOID PROCESS.

Autor:	Rebouças F; Attending Physician in the Shoulder and Elbow Group, Orthopedics and Traumatology Service, Hospital do Servidor Público Estadual, Sao Paulo, SP., Filho RB; Head of the Shoulder and Elbow Group, Orthopedics and Traumatology Service, Hospital do Servidor Público Estadual, Sao Paulo, SP., Filardis C; Attending Physician in the Shoulder and Elbow Group, Orthopedics and Traumatology Service, Hospital do Servidor Público Estadual, Sao Paulo, SP., Pereira RR; Former Resident in the Orthopedics and Traumatology Service, Hospital do Servidor Público Estadual, Sao Paulo, SP., Cardoso AA; Trainee in the Shoulder and Elbow Group, Orthopedics and Traumatology Service, Hospital do Servidor Público Estadual, Sao Paulo, SP.
Jazyk:	angličtina
Zdroj:	Revista brasileira de ortopedia [Rev Bras Ortop] 2015 Nov 17; Vol. 45 (4), pp. 400-3. Date of Electronic Publication: 2015 Nov 17 (Print Publication: 2010).
DOI:	10.1016/S2255-4971(15)30387-6
Abstrakt:	Objective: The authors performed an anatomical study on the path of the musculocutaneous nerve by dissecting 20 shoulders from 10 fresh adult cadavers. Method: The distance from the lower edge of the coracoid process to the point of penetration of the most proximal branch of the musculocutaneous nerve in the coracobrachialis muscle was measured and named the base. Starting from the inferomedial edge of the coracoid process, a second measurement was made to the point at which the lateral fascicle of the brachial plexus crossed the subclavius muscle, and was named the height. The third measurement was of the triangular area formed by the two first measurements, and was named the area. Results: The mean base length was 3.42 cm, ranging from 2.38 cm to 4.40 cm. The mean height measurement was 2.74 cm, ranging from 1.03 cm to 3.80 cm. The mean area was 4.92 cm(2), ranging from 1.22 cm(2) to 7.99 cm2. Conclusion: These measurements are very important because of the risk of injury to the musculocutaneous nerve in surgical approaches to the shoulder.
Databáze:	MEDLINE
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