Median Nerve Location Change Evaluated by Soft Cadaver Dissection According to the Forearm Movement/Cambio de Posicion del Nervio Mediano Evaluado Mediante Diseccion Cadaverica Blanda segun el Movimiento del Antebrazo

The aim of this study was to examine the change in median nerve location according to forearm movement. Thirty fresh specimens from 15 adult Korean cadavers (10 males and five females; age range, 53-91 years) were examined. We measured the motor entry point according to normal and pronated positions...

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Published in:International journal of morphology 2016-06, Vol.34 (2), p.759
Main Authors: Kwon, Seongoh, Jeong, Young Gil, Lee, Nam Seob, Han, Seung Yun, Uhm, Chang Sub, Kim, Dasom, Lee, Je-Hun
Format: Article
Language:Spanish
Subjects:
Surgery
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Summary:The aim of this study was to examine the change in median nerve location according to forearm movement. Thirty fresh specimens from 15 adult Korean cadavers (10 males and five females; age range, 53-91 years) were examined. We measured the motor entry point according to normal and pronated positions of the forearm. The x and y coordinates of the first R entry point MEP) in the normal position were 1.6 [+ or -] 0.6 cm and 2.8 [+ or -] 1.3 cm, respectively. The depth of the MEP was 1.5 [+ or -] 0.3 cm. The x and y coordinates of the second MEP were 1.3 [+ or -] 0.3 cm and 4.7 [+ or -] 1.7 cm, respectively. The depth of the MEP was 1.4 [+ or -] 0.2 cm. The x and y coordinates of first MEP with the forearm in the pronated position were 1.9 [+ or -] 0.7 cm and 2.3 [+ or -] 0.8 cm. respectively. The depth of the MEP was 1.7 [+ or -] 0.4 cm. The x and y coordinates of the second MEP were 1.6 [+ or -] 0.7 cm and 4.4 [+ or -] 1.7 cm, respectively. The depth of the MEP was 1.6 [+ or -] 0.3 cm. The differences in locations according to movement of the nerve branch were 0.3 cm, and depths were 0.2 cm. The pronated position results of this study will be clinically helpful. KEY WORDS: Anatomy; Median nerve; Forearm movement; Motor entry point; Injection. El objetivo fue examinar el cambio de posicion del nervio mediano de acuerdo con el movimiento del antebrazo. Se examinaron 30 muestras frescas de 15 cadaveres adultos coreanos (10 hombres y 5 mujeres) con edades entre 53-91 anos. Se midio el punto de entrada motor de acuerdo con las posiciones normales y pronacion del antebrazo. Las coordenadas X e Y del primer punto de entrada motor (PEM) en la posicion normal fueron de 1,6 [+ or -] 0,6 cm y 2,8 [+ or -] 1,3 cm, respectivamente. La profundidad del PEM fue de 1,5 [+ or -] 0,3 cm. Las coordenadas X e Y del segundo PEM fueron 1,3 [+ or -] 0,3 cm y 4,7 [+ or -] 1,7 cm, respectivamente. La profundidad del PEM fue 1,4 [+ or -] 0,2 cm. Las coordenadas X e Y del primer PEM del antebrazo en posicion de pronacion fueron 1,9 [+ or -] 0,7 cm y 2,3 [+ or -] 0,8 cm, respectivamente. La profundidad del PEM fue 1,7 [+ or -] 0,4 cm. Las coordenadas X e Y del segundo PEM fueron 1,6 [+ or -] 0,7 cm y 4,4 [+ or -] 1,7 cm, respectivamente. La profundidad del PEM fue 1,6 [+ or -] 0,3 cm. Las diferencias en las ubicaciones de acuerdo con el movimiento del ramo nervioso fueron de 0,3 cm, y las profundidades fueron de 0,2 cm. Los resultados de la posicion de pronacion de este estudio seran ut
ISSN:0717-9367