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변성학,어수주 한국스포츠학회 2017 한국스포츠학회지 Vol.15 No.1
이 연구는 노화진행(young; 10wk, old; 80wk)과 장시간 유산소성 운동 수행에 따른 혈중 glucose, insulin의 농도와 Irisin 발현 양상을 분석하여 노화에 따른 지방대사의 변화를 살펴보고자 실시되었다. 노화진행과 운동유무에 따른 혈중 글루코스 농도는 상호작용효과가 나타났으며, 인슐린 농도는 노화 진행에 따라 유의 하게 감소되었으며, 운동 실시 유무에 따라서도 유의한 차이가 나타났다. FFA 농도 변화는 노화에 따른 유의한 차이는 나타나지 않았으나, 운동여부에 따른 유의한 차이가 나타났다. 혈중 Irisin 발현 양상은 노화 진행과 운동 유무에 따라 상호작용 효과가 나타났다. 이러한 연구결과를 종합해보면, 노화의 진행에 있어서 장시간 유산소성 운동은 Irisin 농도의 증가로 기인된 백색지방의 갈색 지방화의 증가 즉, 노화에 따른 지방대사의 불균형에 긍정적인 효과성이 발휘될 수 있음을 알 수 있었다. The purpose of this study was to examine that the effect of prolonged aerobic exercise on Irisin expression in aging process. Total 32 rats(SD) were used and divided into two groups by aging process(8weeks(n=16), 80weeks(n=16)). Each group was further divided into two subgroups (control(n=8) or exercise (n=8)). Two week before the animals were sacrificed, oral glucose tolerance test (OGTT; 2 grams of glucose・kg-1 of body mass; 20% solution) was undertaken. Blood sample was rapidly gathered and used for glucose, insulin, FFA and Irisin expression measurement. Prolonged exercise significantly lowered plasma glucose concentration in all groups (p<.05). Insulin concentration of control and exercise group was significantly different between 8wk and 80wk. Irisin concentration was significantly increased in aging process after prolonged aerobic exercise
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사각근에 대한 수동신장운동이 노력성폐활량에 미치는 영향
변성학 ( Sung Hak Byun ),한동욱 ( Dong Wook Han ) 대한물리의학회 2016 대한물리의학회지 Vol.11 No.1
PURPOSE: The purpose of this study was to investigate the effects of passive stretching exercises of the scalene muscles known as respiratory accessory muscles, on forced vital capacity. METHODS: Ten of the participants were randomly selected as an experiment group to perform passive stretching exercises on the scalene muscles. Ten additional students were selected randomly as a control group. The forced vital capacity was assessed by using a digital spirometer (Pony FX, COSMED Inc, Italy) both before and after the passive stretching exercises were performed. Subsequently, passive stretching exercises of the scalene muscles were performed in the experimental group. There were no interventions to the control group. RESULTS: As for the forced vital capacity (FVC), the experiment group showed significant increase in items of forced vital capacity (FVC), forced expiratory volume in 1 second (FEV₁), peak expiratory flow (PEF), forced expiratory volume in 1 second/vital capacity (FEV₁/VC), and maximal expiratory flow 75%(MEF 75%) after the scalenemuscles passive stretching exercises were performed. The control group, however, showed no change. CONCLUSION: This study demonstrated that passive stretching exercises of the scalene muscles could be helpful for forced vital capacity improvement.
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태권도 막기동작 응용 가슴우리 확장운동이 폐 기능에 미치는 영향
변성학(Sung-Hak Byun),하미숙(Mi-Sook Ha),한동욱(Dong-Wook Han) 대한심장호흡물리치료학회 2021 대한심장호흡물리치료학회지 Vol.9 No.1
Purpose : In this study, we aimed to investigate the effects of rib cage expansion exercise applying Taekwondo Makki motion on pulmonary functions. Methods : We examined 30 female university students without any dysfunctions of the nervous, muscular, and cardiopulmonary systems. Pulmonary functions were tested using a digital pulmonary function measuring device (Pony FX, COSMED Inc, Italy). The experimental group performed three movements of expanding their rib cage applying Taekwondo Makki motion. The participants performed exercises twice a day, once in the morning and again in the afternoon, for 4 weeks. The control group did not perform any other exercise. Pulmonary functions were measured again after 4weeks. SPSSWIN (ver 25.0) package program was used for statistical analysis. Results : In the experimental group, forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), inspiratory reserve volume (IRV), inspiratory capacity (IC), expiratory reserve volume, vital capacity (VC), and maximal voluntary ventilation (MVV) improved significantly after 4 weeks of exercise; the control group showed no change. The changes in FVC, FEV1, IRV, IC, VC, and MVV in the experimental group were higher than those in the control group. Conclusion : The rib cage expansion exercise applying Taekwondo Makki motion can improve pulmonary functions.
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이가현(Ga-Hyeon Lee),정재영(Jae-Young Lim),한동욱(Dong-Wook Han),변성학(Sung-Hak Byun) 대한심장호흡물리치료학회 2013 대한심장호흡물리치료학회지 Vol.1 No.1
Purpose: The purpose of this study is to determine the effects of exercise of expanding rib cage which applied Taekwondo on pulmonary function. Subjects: Twenty female college students at the age of 19~23 without any functional disability of nervous system, muscular system and cardiopulmonary system were participated. Methods: Pulmonary functions were assessed through the use of a pulmonary function measurement device(Pony FX, COSMED Inc, Italy). The Taekwondo group preformed the seven kinds of movements of expanding rib cage which applied Taekwondo. Every movement was repeated three times and each movement was proceeded for 15 seconds. The control group didn’t perform any other exercise. Afterwards, pulmonary functions were assessed again by the same measuring instruments. The Mann-Whitney test and Wilcoxon sign rank test were used to compare pulmonary functions between Taekwondo group and control group. The statistical program was the SPSSWIN (ver 21.0) package program. Results After the exercise of expanding rib cage, fIC of FVC factors and ERV, Rf and Vt, of SVC factors improved significantly. In comparing the difference of changes of pulmonary functions between Taekwondo group and control group, FVC, FEV1 and fIC, of FVC factors in Taekwondo group increased significantly more than control group. Conclusion: This study revealed that the exercise of expanding rib cage which applied Taekwondo can improve the pulmonary functions.
KCI
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