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논문 기본 정보

자료유형
학술저널
저자정보
전경규 (인천대학교) 안세지 (인천대학교) 정서윤 (인천대학교)
저널정보
한국체육학회 INTERNATIONAL JOURNAL OF HUMAN MOVEMENT SCIENCE INTERNATIONAL JOURNAL OF HUMAN MOVEMENT SCIENCE 제15권 제2호
발행연도
2021.8
수록면
87 - 98 (12page)

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초록· 키워드

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The purpose of this study was to identify the analysis of kinematics and kinetic of jump landing on lower extremities in women with valgus knees. To this study, 24 adult women without musculoskeletal diseases were selected as participants. They were separated into a normal group (12 women with quadriceps angles (Q angles) of lower than 20 degrees) and a valgus group (12 women with Q angles of greater than 20 degrees). The study analysis variables were the joint angle and the moment by event, and the center of pressure and the ground reaction force during jump landing. Eight motion capture cameras and two ground reaction force measuring devices were employed to measure and analyze these variables. In the study, Cortex 5.0 was used as a motion analysis program and SPSS 25.0 for Windows was used for data processing. In addition, the independent samples t-test was employed to analyze kinematics and kinetics differences between the valgus and normal groups during jump landing. The statistical significance level was set at p<0.05. According to the study results, in terms of the kinematic factors during jump landing, no statistically significant differences were identified in the knee joints. But, in terms of the knee joint moment of kinematic factors during jump landing, the valgus group showed a significant, larger extension and valgus moment than the normal group. A comprehensive review of the study findings suggests that knee extension and valgus moment increases tibial internal rotation in women with valgus, which results in valgus deformity and the following abnormal movements during jump landing.

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