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스피드스케이팅 남녀 선수들의 경기력 수준별 무산소성 파워 및 슬관절 등속성 근기능 특성 비교
박지희(Ji-hee Park),지은상(Eun-Sang Ji),서태범(Tae-Beom Seo) 한국발육발달학회 2020 한국발육발달학회지 Vol.28 No.3
The purpose of this study is to investigate the difference of anaerobic power and isokinetic knee functions between male and female national and national substitute players. The participants in this study were 48 athletes and divided into 4 groups: male (n=13) and female (n=11) national athlete groups, male (n=10) and female (n=14) national substitute athlete groups. Anaerobic power was measured by Wingate ergometer and isokinetic knee strength was analyzed at 60°/sec using HUMAC NORM. All analyses were performed with SPSS 22.0 and t-test was applied to analyze the difference between national and national substitute groups. As results of this study, relative values of peak power and average power in Wingate test were significantly higher in male national athlete group than those in male national substitute group. Furthermore female national athletes showed a significant difference in the relative values of peak power and average power, fatigue index and isokinetic left knee strength compared to female national substitute athletes. Our findings suggest important evidence that male and female national substitute athletes might apply more scientific and systematic training programs to improve their performance.
12개월간의 복합운동이 초고령 여성의 신체구성, 혈중지질 및 면역 기능에 미치는 영향
김대성(Dae-Sung Kim),지은상(Eun-Sang Ji),이소윤(So-Yoon Lee),김유미(You-Mi Kim) 한국생활환경학회 2015 한국생활환경학회지 Vol.22 No.6
The purpose of this study was to investigate the effects of long term (12months) exercise on body composition (BMI, %Fat, skeletal muscle mass), blood lipids (TC, HDL-C, LDL-C, TG), and immune function (IgA, IgM) in super elderly females. The subjects aged 80-86 years were divided into two groups of control (n=12) and exercise (n=15). The exercise program consisted of a 10 min warm-up, 40 min main exercise (combined exercise program, RPE 11-13), and a 10 min cool-down so subjects exercised for 60 min. Statistical data was processed by SPSS (Window Version 21.0) using descriptive statistics regarding the physical characteristics of subjects. The data from this study were analyzed using repeated measure two-way ANOVA. The results of the study were as follows. No significant differences in any outcome measures were observed in the exercise group. But, there were improvements in body composition, blood lipids, and immune function between the before and after exercise programs compared to control group. Here in this study, regular long-term exercise program with mild and moderately (RPE 11-13) combined exercise can improve super-elderly females" body composition, blood lipids, and immune function.
트레드밀 운동이 헌팅턴병 유발 쥐의 뇌신경세포생성과 사멸 및 신경가소성에 미치는 영향
김유미 ( You Mi Kim ),김창주 ( Chang Ju Kim ),김태운 ( Tae Woon Kim ),지은상 ( Eun Sang Ji ),서태범 ( Tae Beom Seo ),윤진환 ( Jin Hwan Yoon ) 한국운동생리학회(구 한국운동과학회) 2014 운동과학 Vol.23 No.2
본 연구의 목적은 트레드밀 운동이 헌팅턴 유발 흰쥐의 신경보호에 미치는 영향을 규명하기 위하여 공간 기억력과 관련된 행동검사(Y-maze test)와 뇌신경세포생성(Ki-67) 정도 및 신경세포사멸 관련 단백질 (Bid, Bcl-xl)의 발현을 확인함으로서 운동이 뇌의 신경가소성을 향상시킬 수 있는지를 과학적으로 규명하여, 실제 임상에서 헌팅턴 환자들에게 도움을 주는 데 있어 선행연구로서 기초 자료를 제공하는 데 궁극적인 목적이 있다. 6주령 Sprague-Dawley 계열 수컷 흰쥐(200±10 g) 40마리를 무작위 추출법에 의해서 대조 그룹(sham-operation group; n=10), 대조 운동그룹(sham-operation & treadmill exercise group; n=10), 헌팅턴 유발그룹(Huntington’s disease group; n=10), 헌팅턴 유발후 운동그룹(Huntington’s disease & treadmill exercise group; n=10)으로 분류하였다. 헌팅턴 유발 후 운동그룹에게 트레드밀 운동(2주, 5일/주, 30분/일)을 시킨 결과, 헌팅턴 유발그룹에 비해 공간 기억력과 뇌신경세포생성 및 사멸의 모든 변인에서 통계적으로 유의하게 향상되었음을 확인하였다(p<0.05). 이상의 결과를 토대로, 트레드밀 운동은 헌팅턴 환자의 공간 기억력과 뇌신경세포에 긍정적 효과가 나타남으로써 헌팅턴병의 예방 및 개선에 도움을 줄 수 있을 것으로 생각된다. The aim of the present study was to investigate the effects of treadmill exercise on neurogenesis (Ki-67), apoptosis (Bid, Bcl-xl), and spatial memory (Y-maze test) in the huntington`s disease rat model. Forty male rats were divided into sham-operation group (n=10), sham-operation & treadmill exercise group (n=10), Huntington`s disease group (n=10), and Huntington`s disease & treadmill exercise group (n=10) at the age of 6 weeks. Rats in the treadmill exercise group performed treadmill exercises (5 days/week, 30 min/day) for 2 weeks. The present results found Huntington`s disease & treadmill exercise group significantly enhanced hippocampal neurogenesis, apoptosis, and spatial memory compared to the Huntington`s disease group (p<0.05). These results indicate that treadmill exercise improves brain functions of rats with Huntington`s disease.
수영운동의 중단과 재개 시 뇌의 신경전달물질, 신경성장인자 및 신경세포생성에 미치는 영향
김유미(You-mi Kim),김창주(Chang-ju Kim),지은상(Eun-sang Ji),윤진환(Jin-hwan Yoon) 한국생활환경학회 2013 한국생활환경학회지 Vol.20 No.2
The aim of the present study was to investigate the effects of swimming training, detraining and retraining on neurotransmitter(5-HT, TPH), neurotrophin(BDNF) and neurogenesis(BrdU), and relationship with μ-opioid receptor in the mice brain. Male Crl:CD-1 (ICR) mice were divided into control group(C; n = 10), swimming training group(ST; n = 10), detraining group(DT; n = 10) and retraining group(RT; n = 10) at the age of 6 weeks. The mice in swimming training group was made to swim(5 days/week, 60 min/day) for 12 weeks. Detraining group was made to swim for 4 weeks and remained sedentary for the next 8 weeks. Retraining group was made swim for 4 weeks, remained sedentary for the next 4 weeks, and swim for the last 4 weeks. In the present results, swimming training enhanced neurotransmitter, neurotrophin expression and hippocampal neurogenesis. Detraining significant decreased and retraining showed similar level compared to the control group. μ-opioid receptor in the swimming training group showed significant decreased compared to the control group. But detraining group showed more significant increased. There is a close connection between detraining and μ-opioid receptor. Here in this study, swimming training improves brain functions, but sudden cessation of swimming training might bring decline of the brain functions.
키토산 섭취와 건강·운동 프로그램 참여가 중년 여성의 혈중 지질 수준에 미치는 영향
김유미(You-Mi Kim),이소윤(So-Yoon Lee),지은상(Eun-Sang Ji),김대성(Dae-Sung Kim) 한국생활환경학회 2015 한국생활환경학회지 Vol.22 No.5
The purpose of this study was to investigate the effects of chitosan administration and health-exercise program on blood lipid levels (TC, HDL-C, LDL-C, TG, lipase, FFA) in middle-aged women. Chitosan is rich in shells of crustacean such as crabs and shrimps. Chitosan has beneficial effect on fat-binding. The subject consist of 21 persons. The subjects aged 55-60 years were divided into two group (n=10 in placebo+health-exercise program group; PH, n=11 in chitosan+health-exercise program group; CH). Subjects administrated chitosan or placebo tablet (3times/day; after breakfast, lunch, and dinner, total 840 ㎎/day). Health-exercise program performed health (theory) and exercise (practical) program for 12 weeks (3 days/week, 120 min/day). The data from this study were analyzed using repeated measure two-way ANOVA. The changes of TC (p<.05), HDL-C (p<.05), LDL-C (p<.001), TG (p<.001), and FFA (p<.001) statistically significant difference for period. Lipase showed a statistically significant difference for group (p<.001). More specifically, change in HDL-C (p<.01) by applying chitosan administration showed a significantly different more than those in placebo administration group. These results indicate that chitosan administration and healthexercise program can improve middle-aged women’s blood lipids function.
감비수 향 흡입이 절식을 유도한 쥐의 시상하부에서 섭식관련 신경전달물질의 발현과 인지력에 미치는 영향
김동현(Dong-Hyun Kim),고일규(Il-Gyu Ko),김성은(Sung-Eun Kim),김지은(Ji-Eun Kim),강연호(Yeon-Ho Kang),김태운(Tae-Woon Kim),지은상(Eun-Sang Ji),김용민(Yong-Min Kim),김이화(Ee-Hwa Kim),김정범(Jeong-Beum Kim),김동희(Dong-Hee Kim),김창주(Cha 대한스트레스학회 2010 스트레스硏究 Vol.18 No.3
본 연구는 절식을 유도한 ICR계 생쥐에서 감비수 향 흡입이 시상하부에서 leptin과 neuropeptide Y (NPY)의 발현에 미치는 영향과 단기 기억력에 미치는 효과를 알아보고자 하였다. ICR 계열 수컷 쥐 24마리를 무작위 추출법에 의해 대조군, 절식군, 절식과 감비수 향 흡입군(각 군 n=8)의 3군으로 분류하였다. 실험결과, 절식은 시상하부에서 leptin의 발현을 감소시켰고 NPY의 발현은 증가시켰다. 또한, 절식에 의하여 단기 기억력과 해마에서의 신경성장인자인 BDNF의 발현이 감소되었다. 반면에, 절식 중 감비수 향을 흡입 시 시상하부에서 leptin의 발현은 증가되었고 NPY의 발현은 감소되었다. 그리고 감비수 향의 흡입에 의하여 단기 기억력이 향상 되었고 해마에서의 신경성장인자인 BDNF의 발현이 증가되었다. 본 실험 결과, 감비수 향 흡입은 절식 시 증가된 음식섭취에 대한 욕구를 억제할 수 있으며 절식에 의하여 감소된 단기 기억력을 향상시키는 효과가 있음을 알 수 있었다. In the present study, we investigated the effects of Gambisu inhalation on the expressions of neurotransmitters implicated in the food intake in the hypothalamus and cognition using starved mice. For this, the effects of Gambisu inhalation on the expressions of leptin and neuropeptide Y (NPY) in the paraventricular nucleus (PVN) of hypothalamus of starved mice were evaluated by immunohistochemistry. Short-term memory of the mice was also assessed using a passive avoidance task and brain-derived neurothrophic factor (BDNF) expression in the hippocampus was determined by Western blot analysis. ICR mice were divided into three groups: control group, starvation group, and starvation with Gambisu inhalation group. The mice in the food-deprivation group were restricted food for 48 h. The mice in the Gambisu inhalation group were exposed to inhale Gambisu for 60 min twice a day for 2 consecutive days. The present results showed that food-deprivation decreased leptin expression and increased NPY expression in the PVN of the hypothalamus. Food-deprivation decreased short-term memory ability and also suppressed BDNF expression in the hippocampus. However, Gambisu inhalation increased leptin expression and decreased NPY expression in the PVN of hypothalamus under the starvation conditions. Gambisu inhalation alleviated starvation-induced short-term memory impairment and enhanced BDNF expression in the hippocampus under the starvation conditions. The present study revealed that Gambisu inhalation might suppress desire for food intake and exert beneficial effect on cognition by enhancing BDNF expression in the hippocampus under the starvation conditions. (Korean J Str Res 2010;18:209∼217)
유산소 인터벌 운동이 복부비만여성의 심혈관질환 위험요인과 동백경화지표에 미치는 영향
김태운(Kim, Tae-Woon),김동현(Kim, Dong-Hyun),지은상(Ji, Eun-Sang),한태경(Han, Tae-Kyung) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.3
The purpose of this study was to investigate the effect of aerobic interval exercise program on obese index, cardiovascular risk factors and arteriosclerosis index in abdominal obese women. A total of 40 middle-aged women, who abdominal obesity with waist circumference ≥ 85cm. Exercise duration varied from 60-80 minutes so that interval exercise group had the same amount of exercise energy expenditure of 400 kcal each session with a frequency of 3 days per week for 12 weeks. Interval exercise group was significantly decreased of body composition such as weight, BMI, waist circumference(WC), and percent body fat((%)BF) at post compared with pre. Also, LaPWV and RaPWV was decreased in interval exercise group. There was only decreased of LDL-C, TC, TG/HDL-C in interval exercise group as compared with pre and post. In conclusion, aerobic interval exercise may have positive effect on body composition, cardiovascular risk factors and blood lipid profiles in women with abdominal obesity.
운동과 식이제한이 식욕조절호르몬, 혈중지질 및 건강 체력에 미치는 영향
백종원(Back Jong-Won),진영윤(Jin Yung-Youn),김태운(Kim Tae-Woon),김동현(Kim Dong-Hyun),지은상(Ji Eun-Sang),이경훈(Lee Kyung-Hoon),이근용(Lee Keun-Yong),송상혁(Song Sang-Heuck),고일규(Ko Il-Gyu),지용석(Jee Yong-Seok),유재호(Yoo Jae-Ho 한국체육과학회 2009 한국체육과학회지 Vol.18 No.3
Subjects were separated by 3 groups, the first group Participated to exercise combined with diet limitation program (EDG, N=9), another group Participated to only exercise program (EG, N=10) and the other group participated to only diet limitation program (DG, N=8), respectively. Calories per day for subjects in EDG and DG limited to l,800㎉ and subjects of EDG and EG exercised 5 days/week for 4 weeks. Results are as followed: 1) Leptin levels were significantly reduced among all the groups, which three interventions used in all the groups had effects of enhancing appetite. Ghrelin showed significant interactions among 3 groups, which those of EDG and DG were significantly enhanced but that of EG decreased after 4 weeks. Thus, we might think that only exercise training used in EG had an effect of suppressing appetite. 2) TC was significantly reduced in EDG. TG was significantly decreased in EDG and DG. 3) Body weight, fat mass and percent fat were significantly decreased in EDG. Fat mass and %fat of EG were significantly decreased and muscle mass of EG was significantly increased after 4 weeks. PEl was significantly increased in EDG and EG. There were significant effects of interactions in strength (F=4.273, P<.05) and muscular endurance (F=9.506, P<.001) of EDG and EG, respectively. These findings suggest that the exercise combined diet limitation program for short duration enhanced appetite regulating hormones, decreased lipid profiles, and increased health-related fitness in young male adults.