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고령자 및 편마비 고령자의 직선 및 회전 보행 특성 변화 평가
정호현(H. H. Jung),이범기(B.K. Lee),임도형(DoHyung. Lim) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
The purpose of this study was to analyze characteristics of postural stability in static state and to analyze sway and lower extremity joint angle during straight and revolution walking in healthy elderly and hemiplegic patients. Six healthy elderly (71±4years old, 161±5cm and 59±9kg) and six hemiplegic patients (63±9years old, 167±5cm, 74±9 kg) were participated. To measure postural stability under static state, Biodex SD (BIODEX, USA) was used. To analyze characteristic of joint angle and the sway data during straight and revolution gait, 3D motion analysis system (VICON, UK) were used while all subjects were walking on 30m even floor. There are significant differences between the healthy elderly and hemiplegic patients (p<0.05). From the current study, these results are expected to develop rehabilitative training for hemiplegic patients.
동적회전외란에 따른 발목관절 거동 및 족저압 변화 특성 분석
서한솔(H. S. Seo),정호현(H. H. Jung),임도형(D. H. Lim) 한국재활복지공학회 2016 한국재활복지공학회 학술대회논문집 Vol.2016 No.11
The purpose of this study was to determine the changes in properties including Foot Pressure on the Behavior of the ankle joint caused by the motion of the normal ankle in accordance with disturbances occurring in four directions of rotation perturbation simulator. The subjects who took part in the test consist of 7 young men. The physical features of the young men that were recruited for the study are as below:(Age: 25.5 ± 1.7, height: 173.9 ± 6.4cm, weight: 71.3 ± 6.5kg). Perturbation(AP, RD, ML, LD) was used as the rotation perturbation simulator. The results were as follows. First Behavior of ankle joint movements AP: DF/PF angle change, RD: DF/PF and Eve/Inv angle change, ML: Eve/Inv angle change, LD: DF/PF and Eve/Inv angle change. Foot Pressure variation characteristics are as follows: AP: Posterior direction of the left`s hindfoot region with the highest peak pressure, RD: right diagonal direction of the right"s forefoot area on the highest peak pressure, ML: medial direction of the left`s forefoot area, the highest result, LD: left diagonal direction of the left`s forefoot highest peak pressure appears in this area.