RISS 학술연구정보서비스

검색
다국어 입력

http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.

변환된 중국어를 복사하여 사용하시면 됩니다.

예시)
  • 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
  • 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
닫기
    인기검색어 순위 펼치기

    RISS 인기검색어

      검색결과 좁혀 보기

      선택해제
      • 좁혀본 항목 보기순서

        • 원문유무
        • 원문제공처
          펼치기
        • 등재정보
        • 학술지명
          펼치기
        • 주제분류
          펼치기
        • 발행연도
          펼치기
        • 작성언어
        • 저자
          펼치기

      오늘 본 자료

      • 오늘 본 자료가 없습니다.
      더보기
      • 무료
      • 기관 내 무료
      • 유료
      • Treadmill走行訓練이 흰쥐의 運動能力 및 골격근 Mitochondria의 酸素消耗率에 미치는 影響

        林美子 梨花女子大學校 韓國生活科學硏究院 1982 韓國生活科學硏究院 論叢 Vol.30 No.-

        본 실험은 실험동물인 wister strain Rat을 사용하여 最大下負荷(submaximal load)하에서 Treadmill 走行訓練을 週 5回, 2週間을 한 期間으로하여 8週間의 運動訓練에 의한 效果를 運動效果 및 身體資源의 면에서 구하고저 시도되었다. 즉 흰쥐의 下肢骨格筋에서 mitochondria를 분리하고 palarographic method에 의해 산소소모율을 측정하여 ㎕ O_2/hour·㎎·protein으로 나타내었다. 실험결과로는 Treadmill에 의한 週行訓練이 흰쥐의 운동성과면에서 최대주행거리 및 최대주행지속시간의 증가와 체중증가를 일정하게 유지시켜 주었고 신체자원면에서는 골격근 미토콘드리아의 단백질 대사를 촉진시켰으며 산소소모율도 실험기간의 대조군 보다는 높은치를 나타내고 있다. This study aims to determine the factor of Physical resources and physical performance through maximal running distance, time, and oxygen consumption rate of mitochondria in the skeletal muscle of the rat. In this study 60 male rates (Wister Strain) with 155 to 170gms weredivided into two groups, control and experimental groups. A training program of these rats on the animal treadmill was carried on five times, per week during four periods of eight weeks. The results were as follows: 1. During the training period, the body weight was increased in both of the groups. But the control group showed lower weight than the experimental group during the third and the fourth training periods. 2. The maximal running distance and time were increased in the experimental group. This indicates that the factor of endurance in the pysical performance was increased. 3. Oxygen consumption rate of mitochondria in the skeletal muscle trained in the group was almost twice as much as the control group (untrained). These results suggest that the physical training or endruance exercise tend to control body weight by accelerating the fatty acid sxidation phosphorylation and to increase the oxygen consumption rate by increasing the number of mitochondria and the activated enzyme content in mitochondria. Treamill running surely improve physical performance and physical resource even in the experimental animals trained during 8 weeks.

      • KCI등재

        소비자 혁신성향이 친환경제품 만족도에 미치는 영향 : 혁신성향, 친환경성향 및 친환경 제품 혁신성의 상호작용효과

        임미자,Mee Ryoung SONG,Wujin CHU 한국유통과학회 2019 유통과학연구 Vol.17 No.10

        Purpose - Environment-friendly behaviors are diverse and can be motivated by different factors. For example, magnitude of factors affecting recycling behavior could be different from those affecting purchasing of environmentally-friendly products. In this study, the focus is on usage satisfaction of consumers who have purchased environmentally-friendly products. Research design, data, and methodology - For this purpose, data were collected from a total of 345 users of environmentally-friendly products, consisting of 177 users of electric vehicles and 168 users of environmentally-friendly detergents. The study analyzed the relationships among consumer’s innovation propensity, consumer’s environmental concern, and usage satisfaction. In addition, the moderating effect of the product’s innovativeness was examined. Results - The result shows that there is a relationship between consumer’s innovation propensity and consumer’s environmental concern. In particular, it is shown that both consumer’s innovation propensity and consumer’s environmental concern have positive effects on usage satisfaction. Further, there was a moderating effect of the product’s innovativeness. Namely, products rated higher in innovativeness showed a greater effect of consumer’s innovation propensity on usage satisfaction. The degree of the product’s innovativeness also affected the directional paths of the relationships. In the electric vehicle (i.e., high product innovativeness) case, consumer’s innovation propensity had a direct effect on usage satisfaction, as well as an indirect effect through consumer’s environmental concern. In the environmentally-friendly detergent (i.e., low product innovativeness) case, consumer’s innovation propensity only had an indirect effect on usage satisfaction, through consumer’s environmental concern. Conclusions - Theoretical contributions of this study are as follows. Foremost, this is the first study that suggests an existence of a relationship between consumer’s innovation propensity and consumer’s environmental concern. Second, this study showed the positive effect of consumer’s innovation propensity on usage satisfaction of environmentally-friendly products. Third, this study expanded the scope of previous studies by showing the interaction between consumer’s innovation propensity and consumer’s environmental concern. Lastly, this study showed that the effect of these variables on usage satisfaction can differ by the degree of innovativeness of the environmentally-friendly product. The results of the study will have implications for marketers and policy makers in formulating marketing activities and policies.

      • 肺換機能이 持久力에 미치는 影響에 關한 硏究

        林美子 梨花女子大學校 韓國生活科學硏究院 1982 韓國生活科學硏究院 論叢 Vol.29 No.-

        본 연구는 여자대학교 10명을 대상으로 Spirometry에 의하여 폐환기능과 지구력을 평가하는 최대 산소섭취량을 Treadmill의 정증부하법을 이용하여 측정하고, step-test로 부터 구해진 체력지수를 산출하여 폐환기능 및 최대산소섭취량과 step test지수를 측정 산출하였고 또한 상관계수를 산출하여 그에 따라 상관계수를 구하였다. 결과는 다음과 같다. 1. 폐환기능에서 각 평균치는 다음과 같다. 1) Respiratory rate는 17.3 beats/min 2) Tidal volume 471.67 ㎖ 3) Inspiratory reservevolume 2.65 ℓ 4) Regidual Volume 1.64 ℓ 5) Expiratory reserve volume 1.36 ℓ 6) Maximum Voluntary Vontilation 122.16 ℓ/min 7) Total lung capacity 3.548 ℓ 8) Forced vital capacity 3.548 ℓ 9) Forced expired volume for/second 3.09 ℓ/sec 2. 산소섭취량 1) maximum oxygen intake 2.040 ℓ/min 35.868 ㎖/min/㎏ 2) maximum Heart rate 195.0 beats/min 3) maximum ventilation 64.487 ℓ/min 3. Index of step test 1) step test 55.91 2) max Heart 169.0 beats/min 이상 경과에서, maximum Oxygen intake와 maximum Heart Rate의 상관계수는 r=-0.857로 유의한 역상관 관계를 가지며, 산소섭취량과분시 최대 환기량과 r=0.051로 유의한 상관관계이며, 산소섭취량과 maximum Voluntary Ventilation과의 r=-0.434로 유의있는 역상관 관계가 나타났다. 폐환기능의 각 분획과 산소섭취량과의 상관 관계는 작게 나타났다. The purpose of this study was to determine Max O_2 consumption by load of step test and treadmill work. The subjects for this study were 10 female college students of 21 year olds. The results were as follows: 1. The physical characteristics: 1) The average height was 160.6㎝ 2) The average weight was 57.3㎏ 3) The average body surface was 1.58㎡ 4) The average skin hold thicken was 22.51㎜ 2. The pulmonary function by Spirometry: 1) the respiratory rate was 17.3 beats/min 2) the tidal volume was 471.67 ㎖ 3) the inspiratory reserve volume was 2.65ℓ 4) the expiratory reserve volume was 1.35ℓ 5) the residual volume was 1.64ℓ 6) the maximum voluntary capacity was 5.55ℓ 7) the forced vital capacity was 3.548ℓ 8) the forced expired volume for 1 second was 3.09ℓ/sec 3. The Endurance was concerned with the measurement of maximum oxygen intake by using the treadmill method. 1) the maximum oxygen intake was 2.040ℓ/min and 35.87㎖/㎏/min. 2) the maximum Heart Rate was 195 beats/min. 3) the maximum ventilation was 64.49ℓ/min. 4. The step test was made on the endurance(aerobic work capacity) in respect with the respiro-circulatory functions: 1) the index of step test was 55.91 2) the maximum heart rate after step test was 169 beats/min

      • KCI등재

        구조방정식을 이용한 국어 사이버 가정학습의 효과 관련 요인에 관한 연구

        임미자,백현기,Lim, Mi-Ja,Baek, Hyeon-Gi 한국디지털정책학회 2008 디지털융복합연구 Vol.6 No.1

        The objective of this research is to assess various factors affecting E-learning in Korean language education. In this research, we hypothesize that several factors such as absorption, motivation and tutors increase the educational effects of E-learning and ultimately affect learning attitude and satisfaction of students in E-learning. To discuss the hypothesis, we analyzed survey data of 300 students who were taking E-learning class of Korean language for three weeks in October 2007 based on Structural Equation Model. The result of our analysis shows that the factors such as absorption, motivation, tutors have positive effects on E-learning in Korean language education and positive influence on learning attitude and satisfaction on students as well.

      • KCI우수등재

        비만고령자 여성에 있어서 8주간의 운동훈련이 체지방 , 심혈관계 체력 , 혈중지질 및 혈장 호모시스테인 농도에 관한 효과

        임미자 대한비만학회 2000 The Korean journal of obesity Vol.9 No.4

        Regular exercise has been known to prevent cardiovascular disease. Level of plasma homocysteine was considered to be one of independent risk factors of the cardiovascular disease. The purpose of this study was to investigate the effects of regular exercise on elderly obese women with measuring changes in BMI, %fat, skin fold, and cardiovascular fitness level (HR, BP, double product, VO2Max, 12 min running distance). 15 elderly obese women (mean age: 66.5±1.4 years) performed jazzercise for 8 weeks (60 minutes/day repeated 2 times per week). We measured pre and post exercise levels of BMI, %fat, abdominal skin fold thickness, cardiovascular fitness (HR, BP, DP, VO2max), 12 min running distance, lipid profiles, fasting glucose, insulin, HbAlc, and plasma homocysteine. Data were analysed with one way ANOVA and t-test. Abdominal and triceps skinfold thickness significantly decreased. There were tendancy to increase of VO2Max and decrease of Rest SBP, DBP, and double product after exercise. Also, Cholesterol and bAlC decreased significantly and plasma homocysteine concentration decreased without statistical significance. It was found that after eight weeks of exercise program, abdominal obesity was controlled and cardiovascular endurance level for elderly obese women was enhanced. Efforts to increase VO2Max and decrease homocysteine could reduce the risk of cardiovascular disease in the elderly obese women. Regular and continuos physical activities may be prerequisite to the elderly obese people and these could be beneficial to improve health-related physical activity.

      • KCI우수등재

        신체활동의 에너지소비량과 최대하 운동시의 심박수 및 혈중 유산농도에 대한 연구

        임미자,김경숙 대한비만학회 2001 The Korean journal of obesity Vol.10 No.4

        연구배경: 본 연구는 20대와 60대의 여성에 있어서 1일 신체활동량을 측정하고, 동일 최대하부하 운동을 실시하여 심박수, 혈중유산농도 및 주기적 운동강도로 20대와 60대의 신체활동 능력을 비교하고자 하였다. 방법: 대상자는 27명의 20대 여성(23.22±0.75세)과 65명의 60대 여성(67.05±4.81세)으로 총 92명을 대상으로 하였다. 운동부하는 20 cm의 높이를 분당 20회, 25회, 30회의 운동으로 각 4분씩 4, 5 및 6 METs에 해당하는 운동으로 승강시켰다. 결과: 20대군은 310.70±78.58 kcal, 60대군은 160.29±63.59 kcal의 1일 신체활동량의 에너지를 소비하였다. 20대군은 체중당 5.33±1.35 kcal/㎏을 60대군은 2.71±1.07 kcal/㎏을 소비하였다. 1일 평균 보행수는 20대가 10866.44±2263.43보이었고, 60대는 6265.11±2164.48보이었다. 총 에너지 소비량은 20대와 60대가 각각 1981.22±146.02 kcal와 1574.88±151.82 kcal이었다. 최대하운동인 4, 5, 6 METs에 해당하는 각각의 step 운동에서 20대군에서 60대군과 비교하여 안정시 및 각각의 운동에서의 혈중 유산소 농도는 유의한 차이를 보이지 않았다. 심박수는 안정시 및 각각의 step 운동에서 4, 5, 6 METs시에 20대군이 60대군과 비교하여 유의하게 높았다 (P<0.05). 또한 주관적인 운동강도에서는 6 METs 운동강도에서 20대군이 높게 나타났다. 결론: 본 연구에서 기능적인 체력의 적응능력이 20대군에서 낮은 것으로 나타나 강도 높은 운동의 실시 및 적응이 요구된다. 따라서 20대군에서는 강도가 높은 중강도의 에너지소비가 요구되며, 60대군에서도 현재보다 높은 5 kcal/㎏ 정도의 에너지를 사용한다면 고령화 사회에 들어선 현재의 건강의 유지나 노화지연을 위해 도움이 될 것으로 사료된다. Background: This study was to investigate energy expenditure in physical activities and blood heart rate and lactate concentration during submaximal exercise. Methods: We measured energy expenditure of 92 participants consisting of 27 twenties age-group (23.22±0.75 years old) and 65 sixties age-group (67.05±4.81 years old) wearing an accelerometer for 10 days. We also measured submaximal work using 20 cm bench stepping exercise test consisting of 4 minutes test with 2 minutes rest between each stage. Stepping frequency was 20, 25, and 30 cycles/min corresponding to 4, 5, and 6 METs. We also measured lactate concentration and heart rate, RPE at rest and after each exercise stage. Results: Energy expenditure for young and old age-groups was 310.70±78.58 kcal and 160.29±63.59 kcal, respectively. There was a significant difference in energy expenditure per body weight for a day between two groups (5.33±1.35 kcal/kg for young age-group, 2.71±1.07 kcal for old age-group). There was also significant difference on step number between two groups (10866.44±2263.43 steps, 6265.11±2164.48 steps). Total energy expenditure for young and old age-groups was 1981.22±146.02 kcal, and 1574.88±151.82 kcal, respectively. Conclusion: Our conclusion is that energy expenditure at least over 5 kcal/kg is mandatory for daily exercise. Everybody should walk at least 10,000 steps for a day with duration of minimum 30 minutes and at least five times a week for maintaining one's health. Moderate intensity-exercise and physical activity would be desired to prevent life style disease.

      • 平壓 및 低壓環境下에서 身體作業時 呼吸·循環·血液系 變化에 關한 硏究

        林美子 梨花女子大學校 韓國生活科學硏究院 1986 韓國生活科學硏究院 論叢 Vol.37 No.-

        平均年齡 20歲의 女子大學生 10명을 대상으로 平壓(Sea level: 760mmHg)下에서 安靜時··最大下 負荷(Submaximal work: 360kpm, 720kpm) 및 Exhaustion 할때까지 最大負荷를 加한 후 酸素攝取量(V˙O_2), 每分換氣量(V˙E), 換氣當量(V˙E/V˙O_2),呼吸商(RQ)를 測定 換算하고 心拍數(HR), 1回拍出量(SV), 心拍出量(Q), 血中乳酸濃度(HLa), 血色索量(Hb), Hematocrit(Hct) 및 赤血球(RBC), 白血球(WBC), 平均赤血球 血色素濃度(MCH: Hb/RBC)· 平均赤血球 血色素量(MCV: Hct/RBC), 平均赤血球 血色素容積(MCHC: Hb/Hct)을 측정 환산하고 低壓(High altitude 596mmHg=2,000m 고도 및 462mmHg=4,000m高度)下에서 동일 항목을 측정하여 比較檢討 하였다. The ten young females mean aged 20 were examined to elucidate the physiological effects of physical work on Cardiopulmonary function and blood composition under rest, submaximal(360kpm/min, 720kpm/min) and maximal work at the sea level, 2,000m, 4, 000m altitude. 1. The average of V˙O_2Max(2.79ℓ/min, 45.89ml/kg min) showed higher values than women athletes. 2. There is no difference in V˙O_2, at the sea level, high altitude at rest. 3. At rest V˙O2 are increased by 80%, 87% at the load of 360kpm 760kpm respectively. 4. The higher the altitude the more V˙O_2 are decreased at the same load. 5. Max V˙E is 105ℓ/min which increased by 1034% more than 9.28ℓ/min at rest. 6. Oxygen equivalent at the load of 720kpm is increased by 21% at the 4,000m altitude rather than max oxygen equivalent at the sea level. 7. V˙E is gradually increased at each altitudes by the increase of VO_2. 8. V˙E is 76.01ℓ/min at 4,000m altitude which increase by 36.83% than V˙E at rest. 9. RQ gets higher than at rest by the more load and by higher altitude. RQ in the load of 720kpm is higher than in the maximal work at in altitude. 10. At rest stroke volume is same at the sea level and at 2,000m altitude is leveling off in the load of 720kpm at 113.3~115ml/beat of stroke volume. 11. Stroke volume at the altitude of 4,000m is by 6% than at the sea level at 2,000m. 12. Max HR which is 189. 2 beats/min increases by the load and the altitude reaching at the level of 90% in the 4,000m altitude and 720kpm load. 13. Q˙ is increased by 14. 63ℓ/min at the maximal work at the sea level, 16.02ℓ/min at 2,000m, 16.34ℓ/min at 4,000 altitude. 14. Blood Lactate which is 1. 333mM/ℓ at rest increased 4.358mM/ℓ at submaximal work and 10.78mM/ℓ which increases by 12.60% at maximal work. 15. RBC increased as load and high altitude. 16. RBC is increased 488.6×10^4/ mm^3 at the maximal work at the sea level, 495.4×10^4 /mm^3 at 4,000m altitude at submaximal work. 17. WBC is 927.0×10^2/mm^3 at maximal work which increased by 66% more than 558.0×10^2/mm^3 at rest. 18. WBC is 663.8×10^2/mm^3 at 2,000m altitude and 762.0×10^2/mm^3 at 4,000m altitude. 19. Hb is 13.6g/dl at rest which was 14.68g/dl at maximal work. 20. Hb is increased 14.78g/dl at 4,000m altitude. 21. Hct is 40.8% at sea level. At Max Work, Hct is 45.1% which was increased. At 2,000m altitude Hct is 41.5%. At 2.0kp work is 43.2 %. At 4,000m, the total amount of rest 41.5% was increased at 2.0kp work. 22. MCV is 10% decreased with changing to the 4,000m altitude. 23. MCH is a little bit increased at sea level, at high altitude MCH is decreased. 24. MCHC is no significant change at rest. At 2.0kp is decreased move to the high altitude than move to sea level.

      연관 검색어 추천

      이 검색어로 많이 본 자료

      활용도 높은 자료

      해외이동버튼