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정상성인의 팔굽 굽힘 시 자기통제 피드백이 고유수용성감각에 미치는 영향
윤정규 ( Jung Gyu Yoon ) 대한물리의학회 2012 대한물리의학회지 Vol.7 No.4
PURPOSE: The purpose of this study was to investigate effect of self-controlled feedback on proprioception in elbow flexion. METHODS: Thirty young adult volunteered to participate and were randomly assigned to one of three groups (self- controlled, yoked, control). Power and velocity in elbow flexion was measured by PRIMUS RS (BTE Tech., Hanover, U.S.A). Statistical analysis was used multivariate ANOVA to know effect of self-controlled feedback on proprioception in elbow flexion. Post hoc was used Scheffe. RESULTS: In acquisition phase to practice effect, variable errors in self-controlled group was significantly low scored more than yoked and control group. In retention phase to learning effect, variable errors in self-controlled group was significantly low scored more than yoked and control group. CONCLUSION: Self-controlled feedback was more any medium, provided the original work is properly cited. effective on movement control when the learner could make a decision about receiving feedback after the trial. This seems to support the view that self-controlled feedback benefits learning, because learners can make a decision about feedback based on their performance on a given trial.
뒤꿈치 인솔착용과 시각통제 유무가 하이힐 착용 시 균형관련 지수에 미치는 영향
윤정규 ( Jung Gyu Yoon ) 대한물리의학회 2014 대한물리의학회지 Vol.9 No.4
PURPOSE: We investigated the influence of heel insole and visual control on body sway index with high-heeled shoes. METHODS: The subjects of this study were 61 healthy students. None of the participants had any orthopedic or neurologic alterations. C90 area, C90 angle, trace length, sway average velocity were measured using a force plate by BT4. The variables were measured both with insole and without insole when wearing high-heeled shoes under the conditions of eyes open and eyes closed. The collected data were analyzed using the Kolmogorov-Smirnov test and paired t-test. RESULTS: When wearing high-heeled shoes with insole under the conditions of eyes open, trace length, C90 area, velocity were significantly more decreased than without insole (p<.01). When wearing high-heeled shoes with insole under the conditions of eyes closed, only C90 area was significantly more decreased than without insole (p<.05). When wearing high-heeled shoes with insole under the conditions of eyes open, trace length, C90 area, velocity were significantly more decreased than under the conditions of eyes closed (p<.01). CONCLUSION: The present study demonstrates that the use of high-heeled shoes with insole supported from heel to midfoot more increased static balance than without insole under the conditions of eyes open.
근피로 유발 시 개인 성향과 음악형식에 따른 무릎 폄근의 최대수의적수축력, 일률 간 상관분석
윤정규 ( Jung Gyu Yoon ) 대한물리의학회 2013 대한물리의학회지 Vol.8 No.4
PURPOSE: We investigated the relationship between personality, music type and MVIC, power for the knee extensor on inducing muscle fatigue. METHODS: The subjects of this study were 22 healthy students. MVIC(Maximum Voluntary Isometric Contraction) and power in knee extension was measured by PRIMUS RS. Personality types was measured by MBTI(Myers-Briggs Type Indicator) that is an instrument designed to provide descriptive profiles of personality types and preferences. The collected data were analyzed using the independent t-test, MANOVA and Pearson-test. RESULTS: There was no significant differences both MVIC and power of the knee extensor according to personality and music type. The power was significantly increased by increasing the MVIC during a knee extension on inducing muscle fatigue without music type(r= .786∼.896). There was no significant correlation both MVIC and power of the knee extensor according to personality. CONCLUSION: There was a positive correlation between power and MVIC during a knee extension on inducing muscle fatigue without music type. There was no significant correlation both MVIC and power of the knee extensor according to personality.
환측 신발 높이기가 편마비 환자의 보행 특성에 미치는 영향
윤정규(Yoon Jung-gyu),박정미(Park Jeong-mee),김종만(Kim Jong-man) 한국전문물리치료학회 2002 한국전문물리치료학회지 Vol.9 No.2
The purpose of this study was to determine the effect of lift to the shoe of the affected limb on gait patterns in subjects with hemiplegia. The subjects of this study were 18 post-stroke hemiplegics. For the study, insole of the paretic side was lifted 10㎜ higher, and duration of static weight bearing, dynamic weight bearing and stance phase were measured from one cycle of the gait, before and after the lift application. For the measurement of carry-over effect of lift, we got data of those three items prior to and 3 weeks after lift application and 3 days after removal of the lift. Static weight bearing was significantly increased both just after and continuous application of lift for 3 weeks than before. Dynamic weight bearing was significantly decreased in heel contact and footflat phases only when just after application of the lift, without any change after 3 weeks application. In heel-off phase, dynamic weight bearing did not show any significant difference between before and just after application of lift whereas significantly decreased after 3 weeks application. Duration of stance phase was not changed among anytime of application. According to this study, lift applied to the shoe of the paretic limb was effective in inducing static weight bearing in the paretic limb, but did not significantly effect dynamic weight bearing on gait patterns. This study suggests that symmetry, induced by shoe lift applied to the paretic limb, could help correct abnormal posture that would be caused in standing and prevent development of abnomal muscle tone in subjects with hemiplegia caused by unilateral stroke.
코어 안정성 훈련 시 시각통제 유무에 따른 척추세움근의 분절 간 상관분석
윤정규 ( Jung Gyu Yoon ) 대한물리의학회 2013 대한물리의학회지 Vol.8 No.3
PURPOSE: We investigated the relationship between the segment of erector spinae during a core stability exercise according to visual control. METHODS: The subjects of this study were 20 healthy students. An 8-channel electromyograph was used to measure muscle activities of the erector spinae by segment (cervical, thoracic and lumbar) during a core stability exercise according to visual control. The collected data were analyzed using the independent t-test and Pearson-test. RESULTS: The activity of the erector spinae for all segment was higher without the vision than with. The activity of right cervical erector spinae was significantly increased by increasing the activity of the left thoracic erector spinae during a core stability exercise with vision (r= .555). The activity of left thoracic erector spinae was significantly increased by increasing the activity of the left lumbar erector spinae during a core stability exercise without vision (r= .472). CONCLUSION: There was a positive correlation between the cervical and thoracic segment of erector spinae during a core stability exercise with vision. There was a positive correlation between the thoracic and lumbar segment of erector spinae during a core stability exercise without vision.
Kaltenborn-Evjenth 정형물리치료에 대한 문헌적고찰(정형물리치료의 역사와 관련된 문헌을 중심으로)
윤정규,Yoon, Jung-Gyu 대한물리치료과학회 2000 대한물리치료과학회지 Vol.7 No.1
Orthopedic medicine specializes in the diagnosis and treatment of musculoskeletal conditions. The physical therapy speciality, Orthopedic Manipulative Therapy(OMT) is an important part of orthopedic medicine. Much of OMT is devoted to the evaluation and treatment of joint and related soft tissue disorders and one of the primary treatment methods is mobilization. When examination reveals joint dysfunction, especially decreased range of motion, joint mobilization techniques are often utilized. Soft tissue mobilization techniques are used to improve mobility and other soft tissues. The therapist should have precautions for a patient. These precautions are based on the patient's concurrent medical and surgical diagnosis. Lastly, the literature describing therapeutic interventions in patients with musculoskeletal problem is poor because the painful conditions are poorly characterized and the therapeutic interventions are poorly described; so, where Kaltenborn-Evjenth concept for patient with musculoskeletal problem were identified, the treatment concept are introduced.
편마비 환자의 신발 높이 조절이 동적체중부하율에 미치는 영향
윤정규,김병욱,Yoon, Jung-Gyu,Kim, Byung-Wook 대한물리치료과학회 2001 대한물리치료과학회지 Vol.8 No.2
The purpose of this study was to determine the effect of lift to the shoe of the affected limb on gait patterns in subjects with hemiplegia. The subjects of this study were 18 post-stroke hemiplegics. For the study, insole of the paretic side was lifted 10 mm higher, and duration of dynamic weight bearing was measured. before and after the lift application. For the measurement of carry-over effect of lift, we got data of there three items prior to and 3 weeks after lift application and 3 days after removal of the lift. Dynamic weight bearing was significantly decreased in heel contact and footflat phases only when just after application of the lift, without any change after 3 weeks application. In heel-off phase, dynamic weight bearing did not show any significant difference between before and just after application of lift whereas significantly decreased after 3 weeks application. According to this study, lift applied to the shoe of the paretic limb was not significantly effect in inducing dynamic weight bearing, but changed a dynamic weight bearing.