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만성 편마비 환자의 발목에 적용한 능동운동을 동반한 관절가동술이 하지근력과 보행의 시공간적 변수에 미치는 영향
안창만 ( Chang Man An ),원종임 ( Jong Im Won ) 한국전문물리치료학회 2012 한국전문물리치료학회지 Vol.19 No.3
The purpose of this study was to determine the effect of ankle joint mobilization with movement (MWM) on the range of motion (ROM) in the ankle, on the muscle strength of lower extremities, and on spatiotemporal gait parameters in chronic hemiplegic patients. Fifteen subjects with chronic stroke were divided into two groups: an experimental group (8 subjects) and a control group (7 subjects). Both groups attended two or three sessions of physical therapy each week. The experimental group also attended additional MWM training sessions three times a week for five weeks. For both groups, the ROM of the ankle, the muscle strength of the lower extremities, and the spatiotemporal gait parameters in paretic limbs were evaluated before and after the training period. The results showed that the experimental group experienced more significant increases than did the control group in terms of passive (6.10%) and active (21.96%) ROM of the ankle, gait velocity (12.96%), and peak torque, of the knee flexor (81.39%), the knee extensor (24.88%), and the ankle plantar flexor (41.75%)(p<.05). These results suggest that MWM training in patients with chronic stroke may be beneficial in increasing ROM in the ankle, muscle strength in the lower extremities, and gait speed.
안창용(Chang-Yong An),채영훈(Young-Hun Chae),김규만(Gyu-Man Kim) 한국기계가공학회 2006 한국기계가공학회 춘추계학술대회 논문집 Vol.2006 No.-
In this study, we report a new result of photolithography applied for the fabrication of micro-patterns on a polished steel surface. The purpose of this study is micro patterning of steel surface by combining the conventional photolithography and the partial corrosion by electrochemical etching. we tested etching characteristics according to various process parameters. The test results showed that depth of etched pattern increased as etching time increased, and as the pattern density decreased. the fabricated micro patterns on steel surface are expected to be applied to improve tribological characteristics of machine parts.
만성 뇌졸중 환자의 보행속도와 보행 비대칭에 영향을 미치는 무릎근력과 발목 관절가동범위
원종임 ( Jong Im Won ),안창만 ( Chang Man An ) 한국전문물리치료학회 2015 한국전문물리치료학회지 Vol.22 No.2
The common features of walking in patients with stroke include decreased gait velocity and increased asymmetrical gait pattern. The purpose of this study was to identify important factors related to impairments in gait velocity and asymmetry in chronic stroke patients. The subjects were 30 independently ambulating subjects with chronic stroke. The subjects’ impairments were examined, including the isokinetic peak torque of knee extensors, knee flexors, ankle plantarflexors, and ankle dorsiflexors. Passive and active ranges of motion (ROM) of the ankle joint, ankle plantarflexor spasticity, joint position senses of the knee and ankle joint, and balance were examined together. In addition, gait velocity and temporal and spatial asymmetry were evaluated with subjects walking at their comfortable speed. Pearson correlations and multiple regressions were used to measure the relationships between impairments and gait speed and impairments and asymmetry. Regression analyses revealed that ankle passive ROM and peak torque of knee flexors were important factors for gait velocity (R2=.41), while ankle passive ROM was the most important determinant for temporal asymmetry (R2=.35). In addition, knee extensor peak torque was the most significant factor for gait spatial asymmetry (R2=.17). Limitation in ankle passive ROM and weakness of the knee flexor were major contributors to slow gait velocity. Moreover, limited passive ROM in the ankle influenced the level of temporal gait asymmetry in chronic stroke patients. Our findings suggest that stroke rehabilitation programs aiming to improve gait velocity and temporal asymmetry should include stretching exercise for the ankle joint.
한인준,김래영,김영만,안창범,김두운,박경태,전순실,Han, In-Jun,Kim, Rae-Young,Kim, Young-Man,Ahn, Chang-Bum,Kim, Du-Woon,Park, Kyong-Tae,Chun, Soon-Sil 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.2
Red ginseng has been considered as a functional food, with much researches on the prevention of cancer, hypertension, arteriosclerosis and constipation having been conducted. In this study, white bread, with the addition of 1, 2, 3, 4 or 5% red ginseng marc powder was measured for its moisture content, volume, height, color, and texture, and sensory analysis was also conducted. The moisture content increased with increasing red ginseng marc powder content. The volume and height of the bread were decreased with increasing red ginseng marc powder content. The crust color, lightness, yellowness and redness all decreased with increasing red ginseng marc powder content. Both the crumb color, and lightness decreased, but the yellowness and redness increased writh increasing red ginseng marc powder content. In the consumer acceptability test, the white bread with a 2% red ginseng marc powder content was shown to have the most favorable quality characteristics.