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KMID : 1144820200260030186
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대한의생명과학회지
2020 Volume.26 No. 3 p.186 ~ p.191
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Mean Value of Median Nerve Cross-sectional Area in Healthy 20s and 30s in Busan Area
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Kang Kyoung-Hwa
Lee Gil-Hyun
Choi Go-Eun
Hyun Kyung-Yae
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Abstract
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This study was designed to investigate the median nerve cross-sectional area of the upper extremity which is the main cause of CTS in the 20s and 30s. The median nerve cross-sectional area (MNC-area) of each part of the upper limb was measured in healthy 20s and 30s females and males without neurological diseases or other diseases. This MNC-area was compared with the hand, wrist, finger, and other body indexes. The research group was divided into 20s female and male groups, and the 30s were also divided into female and male groups. In the comparison between the ages, the hand, and wrist configurations in the 30s were significantly higher than those of the 20s. The mean median nerve cross-sectional area was significantly larger in the male group than in the female group in both 20s and 30s, and it was larger in both men and women than in the 20s. Hand and wrist configurations were also positively correlated with the median nerve cross-sectional area in both 20s and 30s. The median values of hand ratio and wrist ratio were 2.26 and 0.65, respectively. This median value of hand ratio was inversely correlated with the median nerve cross-sectional area. The median nerve cross-area of the 20s was 6.88~7.38 mm2 in the male group and 5.69~6.99 mm2 in the female group, respectively. The median nerve cross-area of the 30s was 6.32~8.89 mm2 in the male group and 6.15~7.17 mm2 in the female group, respectively. The mean median nerve cross-sectional area was positively correlated with body mass index in both groups. Most of the variables were higher in their 30s than in their 20s.
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KEYWORD
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Twenties, Thirties, Median nerve cross sectional area, Hand and wrist configuration
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