한국인목운동범위의계측
Study on Range of Head and Cervical Motionsin Young Korean Adults
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초록
20대 초반의 건강한 한국인 남녀 80명(남 50명, 여 30명)을 대상으로 몸통의 운동을 제한시킨 상태로 머 리와 목의 양쪽 회전(rotation)과 굽힘(flection), 폄(extension), 양쪽 옆굽힘(lateral flection) 등을 자체개발한 방법 을 이용하여 측정하였다. 양쪽 회전의 경우 자연적(natural) 회전각과 적극적(forced) 회전각을 측정한 결과, 자연적 회전에서는 남성의 경 우 오른쪽 회전범위가 왼쪽보다 컸다(왼쪽: 오른쪽=51.1: 53.9). 적극적 회전에서는 남∙녀차이 및 좌우차이(남 성 왼쪽: 오른쪽=77.6: 76.8; 여성 왼쪽 : 오른쪽=77.4: 76.2)는 없었다. 굽힘의 경우 남∙녀 각각 65.7와 58.9으로 유의한 차이가 있었고(p⁄0.01), 폄의 경우는 남∙녀 각각 84.3와 80.0로 차이는 있으나 유의성은 없 었다. 양쪽 옆굽힘에서 오른쪽의 경우 남∙녀 각각 42.1와 38.6로 유의한 차이가 있었다(p⁄0.05). 양쪽 자연적 회전과 좌석선호의 관련성을 비교한 결과, 왼쪽 자연적 회전이 우세한 경우(남녀 33명)에서 강당 이나 극장의 중앙열 좌석을 선택하는 경우 72.7%였고 오른쪽열 좌석을 선택한 경우는 18.2%였으며 왼쪽열 좌석 을 선택한 경우는 9.1%였다. 오른쪽 자연적 회전이 우세한 경우(남녀 43명)는 강당이나 극장의 중앙열 좌석을 선 택한 경우는 81.4%였고, 오른쪽열 좌석을 선택한 경우와 왼쪽열 좌석을 선택한 경우는 모두 9.3%로 동일하였다. 중앙열 좌석을 선택할 수 없는 경우에 왼쪽 자연적 회전이 우세한 피검자들의 57.6%가 오른쪽열 좌석을 선호하 였고, 오른쪽 자연적 회전이 우세한 피검자들의 53.5%가 왼쪽열 좌석을 선호하였다. 이상의 결과로 이 연구는 20대 초반의 한국인 목운동의 기초자료로 사용될 수 있을 것으로 생각되며, 이 연구 에서 개발 사용된 ROM 측정방법은 임상에서도 용이하게 사용될 수 있을 것으로 생각된다.
Abstract
It is not easy and simple to evaluate of the range of motion (ROM) of the head and neck, although it is important clinically. This study was performed to evaluated ROM of the head and neck in eighty young korean adults (50 men and 30 women). Both side rotations, flexion, extension and lateral bending were measured, and especially side rotation was performed with cases, natural and forced rotation. And the sitting habit of most subjects (48 men and 28 women) in classroom or theater were studied with questionnaire. Natural rotation in men was larger in right than left side (left : right=51.1: 53.9). Forced rotation was not significant between right and left sides in men and women, and between men and women (left : right=77.6: 76.8in men; left : right=77.4: 76.2in women). Flexion was larger in men (65.7) than women (58.9). The rage of the extension were 84.3and 80.0in men and women. Right lateral bending was larger in men than women (42.1and 38.6). The subjects dominant in the left or right rotation preferred to center of classroom generally (72.7% and 81.2%). In case that the subjects must select the one side between left and right, the subjects dominant in left rotation preferred to sit to the right (57.6%), and the subjects dominant in right rotation preferred to sit to the left (53.5%). This results suggested that this data might be the basis of ROM of the head and neck in young korean adults.
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