지역좌표계에서 관측한 체간 척추분절운동에 관한 연구 = Study of the Inter-Segmental Trunk Motion according to the Spine Models during Trunk Exercise

국문 초록 (Abstract)

본 연구는 지역좌표계로부터 체간척추 분절수 정의에 따른 One-Trunk (Model1), Upper-Lower Trunk (Model2), Multi-Segment Trunk (Model3) 모듈로 각각 정의하여 분절운동이 몸통체간운동에 미치는 영향을 연구하였다. 체간몸통운동 유형은 상체 앞으로 굽히기, 옆으로 굽히기, 몸통회전 3가지 동작으로 체간 척추세그먼트 운동의 관절가동범위인 각변위를 측정하였다. 실험대상자들은 6년 이상 축구경력이 있는 대학선수군(n=10)들로 하였다. 분석방법은 X-ray 분석과 3차원비디오영상분석을 하였으며, 측정장비는 적외선카메라 13대(250hz)를 이용한 바이콘모션캡쳐시스템(MX-T40)을 이용하였다. 자료처리는 SPSS(ver. 17) 일원변량분산분석을 하였으며 p<.05 유의수준에서 처리하였다. 분석결과 첫째, 체간 분절 수 증가에 따른 척추모델의 분절동작이 통계적으로 의미 있는 차이를 보였다. 사후검정결과 Model3과 Model2, 그리고 Model3과 Model1에서 모델그룹 간 유의한 차이가 나타났다. 둘째, X,Y,Z좌표축의 체간세그먼트 동작이 x, z축 상에서 통계적으로 유의한 차이를 보였다. 위의 결과를 종합해볼 때 Model3의 7개 세그먼트 움직임이 다양한 운동패턴으로 나타남으로서 인체운동특성에 의한 척추모듈이 권장되어야 할 것이다.

다국어 초록 (Multilingual Abstract)

The purpose of this study was to compare the effect of the three trunk spine segment models(One -Trunk Model, Upper-Lower Trunk Model, and Multi-Segment Trunk Model) by investigating the ROM of trunk segments from three-dimensional kinematic motion of the pelvis-spine coordinate system. To analyze the ROM of angular displacement on the trunk motion, The forward bending, the side bending, and the axial rotation were compared with the three types of trunk spine model, respectively. Ten male subjects were recruited as soccer players in university entrants. Three-dimensional video analysis and X-ray were performed. And Vicon Motion Capture System(MX-T40) using the thirteen infrared cameras(sampling frequency of 250Hz) and Vicon Nexus 1.7 software programs were used. Statistical process was to use SPSS(ver. 17), to do an one-way ANOVA and to do in significance level p<.05. Significant differences were noted in the trunk spine segment motion with trunk segments interaction effects using three kinematic trunk models between model, as well as between x, y, z축 coordinate system. It should therefore be chosen carefully because the trunk motion can be explained differently depending upon the module types in each trunk segment model, owing to, the number of trunk spine segments.

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