• 한국콘텐츠학회논문지
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• 제12권2호
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• pp.331-338
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• 2012

본 연구의 목적은 정상군과 뇌졸중 환자군의 하지 에르고미터를 이용한 점증적 부하 운동 시 나타나는 심폐기능 및 에너지 대사에 대해 알아보기 위해서이다. 정상군 11(남자:6, 여자:5)명, 뇌졸중 환자군 9(남자:4, 여자:5)명을 대상으로 18분 동안 하지 에르고미터를 이용하여 6분에 25watt 씩 점차적으로 증가하며 실시하였고, 이때 심폐기능 및 에너지 대사는 Quark $b_2$를 이용하였다. 정상군에서 점진적 부하 운동 단계는 유의하게 증가하였다. 심폐기능은 최대산소 섭취량 시간, 운동시간에서 유의하게 증가하였지만, 에너지 대사에서는 유의한 차이가 나타나지 않았다. 또한 심폐기능과 에너지대사는 높은 상관관계를 가졌다. 결과적으로 하지 에르고미터를 이용한 점증 부하 운동 시 18분 이내에서는 정상군과 뇌졸중 환자군의 심폐기능과 에너지 대사는 통계학적 차이를 보이지 않았지만, 최대 산소 섭취량과 운동 시간에서는 유의한 차이를 보였으며, 최대산소 섭취량과 관련이 있음을 확인할 수 있었다.

• 동국한의학연구소논문집
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• 제7권1호
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• pp.99-117
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• 1998

스포츠 과학 분야에서는 운동 선수들의 경기력 향상과 운동 피로의 신속한 회복을 도모하기 위하여 한약을 복용하고 그 효과와 유의성에 대하여 연구가 활발히 이루어지고 있다. 격심한 운동을 수행할 때 나타나는 Glucose 등 에너지원의 고갈, Lactate 등 대사 산물의 축적, 전해질의 불균형 등의 여러 제반 증상이 기허(氣虛)로 인하여 나타나는 전신의 증후와 유사하다고 생각하여 보중익기탕(補中益氣湯)을 투여한 후 인체의 대사 변화를 관찰함으로서 운동수행능력에 미치는 영향과 유의성을 평가하고자 하였다. 본 연구는 장거리 달리기 선수를 대상으로 2주간의 보중익기탕(補中益氣湯)의 투여가 에너지 대사 및 전해질 대사에 미치는 영향을 규명하기 위하여 최대심박수의 70% 강도의 운동을 실시한 후 운동전 안정시, 운동 직후, 휴식 후 10분, 휴식 후 30분, 휴식 후 1시간으로 나누어 혈액검사를 하였을 때 나타나는 각종 변인의 반응 양상을 비교 분석하여 유의한 결과를 얻었다. 혈중 에너지 대사에서는 Free fatty acid와 Lactate 반응에서 유의성 있는 차이가 나타났고, 전해질 대사에서도 Na+, Cl-와 K+반응에서 모두 유의성 있는 차이를 나타냈다. 그러므로 보중익기탕(補中益氣湯)은 에너지 및 전해질 대사에서 유의성있는 변화를 나타내었으며 운동수행능력의 향상에 유효하였다.

• 디지털융복합연구
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• 제14권3호
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• pp.489-497
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• 2016

본 연구는 8주간 고령여성을 대상으로 유단백 섭취와 탄성밴드운동을 통해 고령여성의 활동체력 및 대사성 위험인자의 변화를 살펴보고자 하였다. 이를 위해 처치군(TG)과 통제군(CG)으로 구분하여 두 그룹을 선정하였다. TG에서는 유단백 섭취와 탄성밴드운동을 8주간 적용하였으며, CG는 통제군으로서 본 프로그램에 참여하지 않고 일반적 생활을 영위하도록 하였다. TG에 적용된 유단백 섭취는 하루 3회 총 900ml가 제공되었으며, 이와 함께 탄성밴드운동을 주 당 4회 준비운동과 정리운동을 포함해 60분간 실시되었다(RPE<17). 자료분석은 8주간 프로그램 적용 전과 후에 측정하여 프로그램의 상호작용효과를 검증하고자 하였다. 이와 같은 절차를 통해 다음과 같은 결론을 얻었다. 첫째, 8주간의 유단백 섭취와 탄성밴드운동은 고령여성의 활동체력(근력, 근지구력, 평형성) 변화에 유의한 상호작용효과를 나타냈다(p<.05). 둘째, 8주간의 유단백 섭취와 탄성밴드운동은 고령여성의 대사성위험인자(TC, HDL-C, LDL-C) 변화에 유의한 상호작용효과를 나타냈다(p<.05). 본 연구는 유단백 섭취와 탄성밴드운동을 통해 고령여성의 활동체력 및 대사성위험인자의 긍정적 변화를 나타냈다. 하지만 모든 요인에서 유의한 변화를 나타내지 않아 후속연구에서는 구체화된 연구가 필요할 것으로 사료된다.

• 대한간호학회지
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• 제35권7호
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• pp.1248-1257
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• 2005

Purpose: This study was to examine the effects of an exercise program for middle-aged obese women. Method: The exercise program combined folk dance and resistance training. The subjects group consisted of 85 middle-aged obese women between 40 and 60 years of age. Three 8 week sessions consisted of a $55-80\%$ maximum heart rate (MHR) exercise for 60-90 minutes a day and 3 times a week from March to November, 2004. Data was collected through a pre- and post-exercise test before and after each session. Data was collected with Inbody, dynamometer and blood. This data was analyzed by descriptive statistics, and a paired t-test with an SPSS/PC(10.0 version) program. Results: There were significant positive changes in body weight, body fat mass, body mass index, percent body fat, muscle strength, muscle endurance, flexibility, and balance quality, but no significant positive changes in skeletal mass, fat free mass, percent abdominal fat(waist-hip ratio), visceral fat area, agility, total cholesterol, high density lipoprotein cholesterol, or triglycerides. Conclusion: This study showed that an exercise program has partially positive effects for middle-aged obese women. The results of this study show that exercise at community health centers should continue for middle-aged obese women's health.

• Journal of Nutrition and Health
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• 제35권8호
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• pp.825-833
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• 2002

The effects of dietary supplementation of Eleutherococcus senticosus, taurine and carnitine on maximal endurance exercise performance along with other related parameters were evaluated in rats that underwent aerobic exercise training for 6 weeks. Thirty-two male rats (4 weeks old) were randomly divided into 4 groups, and fed experimental diets and/or aerobic exercise trained according to the protocol: SC (sedentary control group), EC (exercise-trained control group), EE (exercise-trained Eleutherococcus senticosus-supplemented group), and EETC (exercise-trained Eleutherococcus senticosus, taurine and carnitine-supplemented group). The food efficiency ratio of EC rats was significantly lower than the value for SC rats (p < 0.01). Exercise-trained control animals (92 $\pm$ 8.8 min) could run significantly longer until exhausted on the treadmill than sedentary control rats (11 $\pm$ 0.8 min) (p < 0.001). Animals fed an Eleutherococcus senticosus-supplemented diet, and an Eleuthherococcus sonticosus, taurine and carnitine- supplemented diet while undergoing aerobic exercise training for 6 weeks exhibited, respectively, 8 and 5 minutes longer running performance until exhausted than the rats fed the control diet. The gastrocnemius muscle glycogen concentration of the rats, measured at 48 hours post maximal exercise performance test, was 43% higher in EC rats than the value for SC rats (p < 0.05), but was not different among EC, EE, and EETC rats. The mitochondrial citrate synthase activity of the soleus muscle was significantly higher in EC rats compared to the value for SC rats (p < 0.01), and showed a tendency to increase, without statistical significance, in EE or EETC rats compared to the value for EC rats. These results indicate that aerobic exercise training for 6 weeks significantly improved maximal exercise performance, muscle glycogen content along with citrate synthase activity, which are important in the energy metabolism of muscle under aerobic exercise. Dietary supplementation of Eleutherococcus senticosus in rats while undergoing aerobic exercise training improved maximal endurance exercise performance without significantly affecting muscle glycogen content and enzyme activities involved in energy metabolism during exercise. Taurine and carnitine supplementation failed to show an additive effect on maximal endurance exercise performance when consumed along with Eleutherococcus senticosus.

• 산업융합연구
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• 제18권5호
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• pp.108-117
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• 2020

본 연구는 비만중년여성을 대상으로 12주간 필라테스 매트 운동 프로그램을 통하여 신체구성과 지질대사에 미치는 영향을 비교 분석하여 심혈관질환 및 관상동맥질환 등 각종 만성질환에 관심을 두고 있는 비만중년여성의 건강유지 및 증진에 기초자료를 제공하고자 한다. 비만중년여성들을 대상으로 필라테스 매트 운동프로그램군과 통제군으로 구분하여 12주간 주당 3회 60분간 실시하였다. 측정변인으로는 신체구성과 지질대사의 변화를 분석하였으며 통계처리는 이원 반복측정 분산분석을 실시하였다. 분석결과 신체구성에서 운동군은 체중, 골격근량, 체지방량, 체지방율 및 신체질량지수에서 긍정적인 영향을 미쳤으며 통제군에서는 유의한 영향을 미치지 않았다. 지질대사에서 운동군은 총콜레스테롤, 중성지방, 고밀도 지단백 콜레스테롤, 저밀도 지단백 콜레스테롤, 유리지방산에서 긍정적인 영향을 미쳤으며 통제군에서는 유의한 영향을 미치지 않았다. 이와 같은 결과는 본 연구에서 실시한 12주간 필라테스 매트 운동 프로그램이 비만 중년여성들의 심혈관계 및 만성질환을 예방 할 수 있는 운동 프로그램이라고 생각된다.

• 운동영양학회지
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• 제16권2호
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• pp.113-122
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• 2012

This study assessed the amount of energy consumed and fat deposition after endurance training in order to review the effect of 4-week endurance exercise on resting metabolic rate of a mouse during and after exercise and the effect of exercise. A total of 19 seven-week-old ICR male mice were used as the study subject. Those mice were divided into sedentary group (Sed) and trained group (Tr) after a week of environment adaption. The Tr group was trained with endurance exercise five times a week for four weeks. Weight and the amount of food intake were daily weighed and resting metabolic rate and metabolic rate after exercise were assessed before starting exercise and on the fourth week after training. Metabolic rate during exercise were measured four weeks after training. At the end of breeding period, statistically significant difference was shown in weights of trained and sedentary groups (p < 0.05). During a resting period, no significant difference was shown in oxygen intake, respiratory exchange ratio, and the amount of carbohydrate and fat oxidized. Moreover, no significant difference was shown in excess post-exercise oxygen consumption (EPOC) of an hour period after training. In contrast, the maximal oxygen uptake (VO₂ max) was approximately 11.1% higher in trained group after training compare to before. However, there was no significant difference in respiratory exchange ratio and carbohydrate and fat oxidization. During exercise, oxygen uptake, carbon dioxide production, and respiratory exchange ratio in energy metabolism during exercise showed no significant difference. However, significant difference was exhibited in the amount of fat oxidized in both groups. Summing up those results, endurance exercise could be concluded to be effective in weight control. However, weight loss is thought to be resulted from increase in fat oxidization during exercise unlike the conclusion made from previous studies where weight loss is prominently influenced by energy metabolism during a resting period and increased fat oxidation during post-exercise recovery. All experimental procedures were carried out at the Animal Experiment Research Center of Konkuk University. This study was conducted in accordance with the ethical guidelines of the Konkuk University Institutional Animal Care and Use Committee.

• Asian-Australasian Journal of Animal Sciences
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• 제15권4호
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• pp.531-536
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• 2002

We investigated the exercise-induced changes in the serum concentration of several minerals in horses. Four welltrained Thoroughbred horses performed exercise for 5 d. The blood hemoglobin (Hb) concentration increased during exercise, recovered to the pre-exercise level immediately after cooling down and did not change again up till the end of experiment. The changes in serum zinc (Zn) and copper (Cu) concentrations were similar to those of blood Hb during the experiment. The serum magnesium (Mg), inorganic phosphorus (Pi) and iron (Fe) concentrations also increased during exercise. Though the serum Pi concentration recovered to the pre-exercise level immediately after the cooling down, it decreased further before the end of the experiment. The serum Mg concentration was lower immediately after cooling down than its pre-exercise level but gradually recovered from the temporal reduction. The recovery of the serum Fe concentration was delayed compared to that of other minerals and recovered 2 h after cooling down. The serum calcium (Ca) concentration did not change during exercise but rapidly decreased after cooling down. As a result, it was lower immediately after cooling down than its pre-exercise level. It recovered, however, to the pre-exercise level 2 h after cooling down. The temporal increase in the serum concentrations of all minerals except Ca is considered to result from hemoconcentration induced by exercise and the stable concentration of the serum Ca during exercise is possibly due to its strict regulation of homeostasis. These results indicate that the serum concentration of each mineral responds differently to exercise in horses, which may be due to the difference in metabolism among these minerals.

• 운동과학
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• 제26권2호
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• pp.103-114
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• 2017

INTRODUCTION: Regulation of skeletal muscle protein mass is implicated not only in exercise performance but in metabolic health. Exercise in combination with nutrition, particularly dietary protein/amino acid intake, are the pragmatic approach that effectively induces muscle anabolic response (i.e., muscle hypertrophy) through regulating protein synthesis and breakdown. PURPOSE: The purpose of this review was to summarize available data on the effect of exercise intervention and amino acids intake on muscle protein synthesis and breakdown and provide an insight into development of an effective exercise intervention and amino acids supplements, applicable to training practice. METHODS: In this review, we have reviewed currently available data mainly from stable isotope tracer studies with respect to the effect of exercise intervention and protein or amino acid supplement on muscle protein anabolic response. CONCLUSIONS: Taken together, exercise alone may not be effective in achieving a positive net muscle protein balance due to the fact that protein breakdown still exceeds protein synthesis until nutrition intake such as protein/amino acids. It appears that muscle anabolic response increases in proportional to the amount of protein intake up to 20 - 35 g depending on quality of protein, age, differences on exercise intensity, duration, and frequency, and individual's training status

• Nutritional Sciences
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• 제8권3호
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• pp.189-195
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• 2005

To assess the effect of pinitol supplementation and strength training for two weeks on the anaerobic capacity during and after exercise, and improvement of glucose metabolism during the recovery period of muscular fatigue with repeated acute bouts of cycling exercise, a total of 24 healthy young men were recruited and randomly and equally divided into three groups; pinitol supplementation group (PSG), placebo group (PLG), and control group (CON). Using a randomized double-blinded design, subjects in PSG were provided pinitol supplement, consumed orally 1.2 g/day, and participated in the resistance exercise program and cycling exercise for two weeks. Subjects in PLG underwent the same protocol as those in PSG but consumed the same amount of placebo. No supplementation and exercise program was given to CON. Before and after the intervention, all subjects were tested for their anaerobic capacities evaluated by Wingate test twice separated by 30 min. During the test, peak anaerobic power (PP), mean anaerobic power, total work, and fatigue index were evaluated During resting and recovery, blood samples were drawn and plasma pinitol, myo-inositol, chiro-inositol, insulin, free fatty acid, glucose, and lactate levels were analyzed After two weeks, PP and relative PP of the second biking were improved from the first biking in PSG only (p<0.05). No changes were found in all other variables of Wingate test in all groups. No statistical differences between groups and pre- and post-intervention were observed in concentrations of pinitol, myo-inositol, and chiro-inositol, but pinitol concentration was higher during recovery compared to the baseline in all groups and testings (p<0.05). Lactate level during recovery was higher than the resting level, but no other blood parameters were significantly changed. In conclusion, two weeks of pinitol supplementation in conjunction with short duration of anaerobic training in healthy young men did not induce any obvious benefits in terms of anaerobic capacity and energy metabolism Individual and/or population susceptibility may be one factor responsible for adopting pinitol supplementation.