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8자형 어깨 보조기와 테이핑 중재가 전방머리자세를 가진 환자의 둥근어깨자세와 등뼈 뒤 굽음 및 가슴우리가동성에 미치는 즉각적인 효과
박재철,정진규,이동규,Park, Jae-Cheol,Jeong, Jin-Gyu,Lee, Dong-Kyu 대한고유수용성신경근촉진법학회 2021 PNF and Movement Vol.19 No.2
Purpose: This study investigated the immediate effects of a figure-8 shoulder brace and taping intervention on round shoulder posture, thoracic kyphosis, and chest expansion mobility in forward head posture. Methods: Thirty patients with forward head posture were assigned randomly to the figure-8 shoulder brace group (n = 15) or the taping intervention group (n = 15). Patients were assessed for forward head posture, shoulder posture, thoracic kyphosis, and chest expansion. Results: The figure-8 shoulder brace and taping intervention groups showed a significant difference for forward head posture, shoulder posture, and thoracic kyphosis after the experiment (p < 0.05). There was no significant difference between the groups (p > 0.05). Conclusion: These results suggest that a figure-8 shoulder brace and taping intervention has a positive effect on rounded shoulder posture, thoracic kyphosis, and chest expansion in patients with forward head posture.
수중과 지상에서 대각선 패턴 운동이 만성 뇌졸중 환자의 균형 자신감과 호흡 기능에 미치는 효과 비교
박재철,이동규,Park, Jae-Cheol,Lee, Dong-Kyu 대한고유수용성신경근촉진법학회 2021 PNF and Movement Vol.19 No.2
Purpose: The purpose of this study was to compare the effects of underwater and ground-based diagonal pattern exercises on the balance confidence and respiratory functions of chronic stroke patients. Methods: Thirty chronic stroke patients were assigned randomly to an experimental (n = 15) or control (n = 15) group. The experimental group performed an underwater diagonal pattern exercise. The control group performed a ground-based diagonal pattern exercise. Training was conducted once a day for 30 minutes, five days per week for six weeks. Balance confidence was measured using the Activities-Specific Balance Confidence Scale-Korea version. Respiratory function was measured using a spirometer. Results: In a comparison within groups, the experimental and control groups showed significant differences in balance confidence after the experiment (p < 0.05). In a comparison between the two groups, the experimental group showed a more significant difference in balance confidence than the control group (p < 0.05). In a comparison within groups, the experimental group showed a significant difference in respiratory functions after the experiment (p < 0.05). In a comparison between the two groups, the experimental group showed a more significant difference in respiratory functions than the control group (p < 0.05). Conclusion: Based on these results, underwater diagonal pattern exercises effectively improved the balance confidence and respiratory functions of chronic stroke patients.
고유수용성신경근촉진법 패턴 운동과 단백질 섭취가 근감소증 노인의 균형과 보행 및 다리 근력에 미치는 영향
박재철,이동규,Park, Jae-Cheol,Lee, Dong-Kyu 대한고유수용성신경근촉진법학회 2021 PNF and Movement Vol.19 No.3
Purpose: The study examined the effects of the proprioceptive neuromuscular facilitation pattern exercise and protein intake on balance, gait ability, and lower extremity muscular strength for sarcopenia in the elderly. Methods: A total of 30 elderly people (65~74years) with sarcopenia were recruited and randomized to Group I (n=10), Group II (n=10), and Group III (n=10). Their balance ability was measured using the functional reach test. Group I performed the proprioceptive neuromuscular facilitation pattern exercise and protein intake. Group II performed the proprioceptive neuromuscular facilitation pattern exercise. Group III performed protein intake. Their gait ability was measured using the Timed Up and Go test. Lower extremity muscular strength was measured using the Five Times Sit to Stand test. Results: As a result of comparison within groups, Group I and Group II showed a significant difference in balance, gait, and lower extremity muscular strength after the experiment (p<0.05), and Group I showed a more effectively significant difference than either Group II or Group III in balance, gait, and lower extremity muscular strength before and after the experiment (p<0.05). Conclusion: This study showed that the proprioceptive neuromuscular facilitation patterns exercise and protein intake was effective in balance, gait ability, and lower extremity muscular strength for sarcopenia in the elderly.
화학 증착기의 기초 진공도가 다결정 실리콘 박막의 물성과 전기적 특성에 미치는 영향에 관한 연구
박재철,박광현,이상도,인현만,남승의,김형준,Park, Jae-Cheol,Park, Gwang-Hyeon,Lee, Sang-Do,In, Hyeon-Man,Nam, Seung-Ui,Kim, Hyeong-Jun 한국재료학회 1996 한국재료학회지 Vol.6 No.6
화학증착기에 의한 실리콘막의 증착에서 증착기의 기초 진공도는 잔류가스로부터 실리콘 막내로 유입되는 oxygen, carbon과 같은 분순물의 양을 결정하며, 따라서 증착 거동 및 막의 결정성에 영향을 줄 수 있는 공정 변수이다. 본 연구에서는 고진공 화학증착기를 이용하여 기초 진공도는 비정질 실리콘의 증착과 결정화에 미치는 영향을 조사하였다. 높은 기초 진공도는 비정질/결정질 천이 증착온도의 감소를 가져왔다. 또한 비정질 실리콘막의 결정화 속도 및 박막 결정성을 향상시키는 것으로 조사되었다. 이와 같은 기초 진공도의 영향은 증착시 잔류가스에 함유되는 O, C과 같은 불순물의 영향으로 설명될 수 있었다. 기초 진공도에 따른 실리콘 막의 결정성 향상은 다결정 실리콘 박막 트렌지스터의 구동 특성을 향상시키는 것으로 조사되었다. 기초 진공도가 10-3Torr에서 10-5Torr 로 증가함에 따라 전자 이동도는 17$\textrm{cm}^2$/V.s에서 25$\textrm{cm}^2$/V.s로 증가하였으며 누설전류는 감소하였다.
제 2형 당뇨병을 이용한 로지스틱과 베이지안 노모그램 구축 및 비교
박재철,김민호,이제영,Park, Jae-Cheol,Kim, Min-Ho,Lee, Jea-Young 한국통계학회 2018 응용통계연구 Vol.31 No.5
본 연구에서는 제 2형 당뇨(type 2 diabetes mellitus)의 발병 확률을 예측하기 위해 11가지 위험요인을 가지고 로지스틱 회귀모형과 순수 베이지안 분류기 모형에 적합시킨다. 그런 다음 이를 시각적으로 쉽게 이해하는데 도움을 주는 노모그램 구축 방법을 소개한다. 분석은 2013-2015년 6기 국민건강영양조사 데이터를 가지고 분석하였다. 또 로지스틱 회귀모형에 세 가지 상호작용 항을 넣어 분석의 질을 높이고자 하였고 베이지안 노모그램에 left-aligned 방법을 사용하여 비교하기 쉽게 만들었다. 최종적으로 두 노모그램을 비교하고 효용성을 알아보았다. 마지막으로 ROC 곡선을 이용하여 노모그램이 적절한지 검증하였다. In this study, we fit the logistic regression model and naïve Bayesian classifier model using 11 risk factors to predict the incidence rate probability for type 2 diabetes mellitus. We then introduce how to construct a nomogram that can help people visually understand it. We use data from the 2013-2015 Korean National Health and Nutrition Examination Survey (KNHANES). We take 3 interactions in the logistic regression model to improve the quality of the analysis and facilitate the application of the left-aligned method to the Bayesian nomogram. Finally, we compare the two nomograms and examine their utility. Then we verify the nomogram using the ROC curve.
혈류제한 후 일반적 운동이 경직성 뇌성마비 아동의 몸통 근육 두께에 미치는 영향
박재철,이동규,Park, Jae-Cheol,Lee, Dong-Kyu 대한고유수용성신경근촉진법학회 2022 PNF and Movement Vol.20 No.1
Purpose: The purpose of this study was to identify the effects of general exercise after blood flow restriction on trunk muscles thickness in children with spastic cerebral palsy. Methods: Twenty children with cerebral palsy were assigned randomly to an experimental (n = 10) or a control (n = 10) group. The experimental group performed general exercise after blood flow restriction, while the control group performed general exercise alone. The study used an ultrasonic instrument to measure trunk muscles thickness. The Wilcoxon signed-rank test was used to determine differences before and after treatment, and the Mann-Whitney U test was used to determine differences between treatment groups. Results: From a comparison within the groups, the experimental and control groups showed significant difference in trunk muscle thickness after the experiment (p < 0.05). In a comparison between the two groups, the experimental group showed more significant difference in trunk muscle thickness than the control group (p < 0.05). Conclusion: Based on these results, general exercise after blood flow restriction effectively improves trunk muscle thickness in children with cerebral palsy.
진동운동이 노인의 균형 조절 능력과 보행 능력 및 우울에 미치는 효과
박재철,이동규,Park, Jae-Cheol,Lee, Dong-Kyu 대한고유수용성신경근촉진법학회 2022 PNF and Movement Vol.20 No.1
Purpose: The aim of this study was to examine the effects of vibration exercise on balance control ability, gait ability, and depression in the elderly. Methods: A total of 24 elderly subjects were recruited and randomized into an experimental (n = 12) or a control (n = 12) group. The experimental group performed both a vibration and a stabilization exercise, and the control group performed a stabilization exercise alone. Balance ability was measured using the functional reach test (FRT), gait ability was measured using the timed up and go test (TUGT), and depression was measured using the Center for Epidemiologic Studies Depression Scale (CES-D). Results: The experimental and control groups showed significant differences for all pre- and post-experiment FRT, TUGT, and CES-D measurements (p <0.05). In a comparison between the two groups, the experimental group in which vibration exercise was applied showed more significant difference in FRT, TUGT, and CES-D than the control group (p <0.05). Conclusion: This study showed vibration exercise to be effective in balance control ability, gait ability, and depression in the elderly.
스크램블러 치료와 경피신경전기자극 치료가 만성 허리 통증 환자의 통증과 기능 장애 및 우울에 미치는 효과 비교
박재철,이동규,Park, Jae-Cheol,Lee, Dong-Kyu 대한고유수용성신경근촉진법학회 2021 PNF and Movement Vol.19 No.3
Purpose: The purpose of this study was to compare the effects of scrambler and transcutaneous electrical nerve stimulation therapy on pain, functional disability, and depression in patients with chronic low back pain. Methods: Twenty patients with chronic stroke were assigned randomly to an experimental (n=10) or control (n=10) group. The experimental group performed scrambler therapy. The control group performed electrical nerve stimulation therapy. Training was conducted once a day for 30 minutes, five days per week, for three weeks. The pain was measured using the numeric rating scale. Functional disability was measured using the Roland-Morris disability questionnaire. Depression was measured using the Beck depression inventory. Results: As a result of comparison between the groups, the experimental and control groups showed significant difference for pain, functional disability and depression after the experiment (p<0.05). In a comparison between the two groups, the experimental group, in which scrambler therapy was applied, showed a more significant reduction in pain, functional disability and depression than the control group (p<0.05). Conclusion: Based on these results, scrambler therapy shows positive effects on pain, functional disability, and depression in patients with chronic low back pain.