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전방십자인대 재건술 후 하지관절의 생체역학적 변화 - SPM 통계기법을 활용한 데이터의 재해석
박상헌 ( Sangheon Park ),다어반타우 ( Dao Van Thau ),윤석훈 ( Sukhoon Yoon ) 한국체육대학교 체육과학연구소 2021 스포츠사이언스 Vol.39 No.2
The purpose of this study was to investigate the movement changes in lower extremity according to the ACL reconstruction using kinematic variables and SPM technique. Twenty-one post ACL reconstruction patients ([AG]) and an equal number of healthy adults ([CG]) participated in this study. All participants were asked to perform walking, running, cutting 30°and 60°, respectively. The 3-D joint angle of lower extremity was calculated. In addition, to investigate the movement changed according to ACL reconstruction, discrete variables and continuous variables were verified using independent t-test and 1D-SPM. During walking and running, there was no significant difference according to ACL reconstruction in both discrete variables and continuous variables (p>.05). However, during cutting 30°and 60°, discrete variables and continuous variables showed significant differences in the hip and ankle joint (p<.05). A significant difference was found in the knee joint only in continuous variables using 1D-SPM. Based on these results, it is estimated that AG uses compensatory movements though the movements of the hip and knee joints, which are close to the knee joint, during cutting. Moreover, excessive extension angle of the knee joint during initial contact shown in the continuous variables can effect as a risk factor for re-injury. The results in this study were confirmed more clearly in the verification of continuous variables. It is expected that the verification of continuous variables using 1D-SPM can be used in various ways in future study.
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