• 한국의류학회지
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• 제16권2호
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• pp.169-180
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• 1992

The purpose of this study is to investigate the effects of type of clothing microclimate and exercise condition on ventilation. The experimental system employed a trace gas technique of the previous research. Clothing microclimate volume measurement was based on the substitution water technique for inter-clothing air volume. The experimental variables were tested at four levels of clothing microclimate spacing, microclimate shape of the previous research and two levels of exercise conditions. 2, 4, 6 cm ease were added to B/2+4 of basic blouse pattern for the microclimate spacing variable. Each combination of three variables were tested in triplicate. Analysis of variance of experimental variables on vetilation, such as oxygen exchange rate, half time of first order model was conducted. Oxygen exchange rate and half time of first order model are affected by the shape of microclimate air and exercise condition.

• 생명과학회지
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• 제21권4호
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• pp.542-548
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• 2011

본 연구에서는 우선 운동 강도(저강도, 중강도, 고강도)를 달리하여 훈련한 서로 다른 그룹에서 운동 유발성 알러지 아나필락시스의 차이를 규명하고 운동강도에 따른 운동 유발성 알러지 질환의 기전을 규명하고자 본 연구를 실시 하였다. 본 실험을 위하여 군당 25마리씩 통제군(S; control sensitized, n=25), 저강도 훈련군(S30, n=25), 중강도 훈련군(S50, n=25) 및 고강도 훈련군(S80, n=25)으로 구분하여 수영훈련 강도별 알러지를 유도하였을 때, 알러지 아나필락시스를 조사하고 아울러 비장지수, 림프구의 수, 림프구 증식반응, 싸이토카인(IL-4, INF-${\gamma}$), 항체 및 복강과 비장의 ROS를 함께 측정하였다. 본 연구 결과, 일반 감작군에 비하여 운동 감작군에서 알러지가 더 잘 일어남을 확인하였고, 운동강도의 증가와도 밀접한 것으로 확인되었다. 이는 운동강도가 증가할수록 OVA반응에 대한 림프구 증가가 현저하게 일어나는 원인과 복강활성산소의 증가 및 알러지 면역반응에 중요한 역할을 담당하는 싸이토카인인 IL-4의 증가 때문인 것으로 해석할 수 있다. 특히, 운동강도의 증가에 따라 INF-${\gamma}$의 감소도 의미 있는 결과로 해석된다. 따라서 추후 운동 강도뿐만이 아니라 운동빈도에 따라서도 FDEIA의 변화에 대한 심도 있는 연구가 필요하다고 여겨진다.

• 대한한방내과학회지
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• 제36권3호
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• pp.297-307
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• 2015

Objectives: We aimed to evaluate the effect of Cervi Cornu and coenzymeQ10 on exercise and endurance capacity in rats and mice. Methods: The extract of Cervi Cornu was manufactured by the pharmacy department of Kyung Hee Oriental Medical Hospital, and CoQ10 soft cap (Ildong Pharmaceutical) was used. In total, 24 rats and 30 mice were divided into 3 groups: Control (rat=8, mouse=10), CoQ10 alone (rat=8, mouse=10), Cervi Cornu extract, and CoQ10 (rat=8, mouse=10). Ergogenic effect was evaluated by administering the Cervi Cornu extract and coenzymeQ10 to rats and measuring the time to exhaustion during treadmill running; endurance capacity was assessed by measuring cold water swimming time, serum lactate level, and serum corticosterone level in each group. At 1 week from the end of treatment, we recalculated time to exhaustion during treadmill running in rats to investigate the long-term effect of the Cervi Cornu extract and coenzymeQ10. Results: Cervi Cornu extract has long-term benefits in that it preserves the ergogenic effect caused by exercise. Cervi Cornu and coenzymeQ10 have no effect on increasing cold water swimming time in ICR mice. CoenzymeQ10 decreases the serum corticosterone level in ICR mice performing cold water swimming test. Conclusions: Cervi Cornu seems to preserve the ergogenic effect caused by exercise, but a larger study is needed to investigate effect of Cervi Cornu and coenzymeQ10 on improving endurance capacity. CoenzymeQ10 decreases serum corticosterone level and it is related with the anti-psychological fatigue effect.

• 한국식품영양학회지
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• 제33권4호
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• pp.363-371
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• 2020

This study was designed to evaluate the improvement in exercise endurance by Hovenia dulcis fruit hot water extract (HDWE) for the potential application as a functional food material. The effect was based on the evaluation of the forced-swimming capacity and changes in biochemical parameters in mice. Six-week-old mice were classified into four groups based on a randomized block design: the negative control group, the HDWE 50 mg/kg body weight group, the HDWE 200 mg/kg body weight group, and the 1-octacosanol 50 mg/kg body weight group (n=8 mice per group). The swimming exercise time in the HDWE-50 group was increased at 545±43 sec compared to the control group at 263±28 sec. The HDWE-200 fatigue indicators, lactate acid and ammonia content, decreased to 4.99±0.33 mg/mL and 0.63±0.05 mg/mL, respectively. In addition, the content of glycogen in the liver and muscle tended to increase in the group administered HDWE but was not significant. Likewise, the LDH and glucose contents were increased compared to the control group. The muscle damage indicators ALT (52.7±2.6 U/L) and AST (42.5±5.2 U/L) tended to decrease compared to the control group (76.4±10.2 U/L).

• 대한한의학회지
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• 제37권2호
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• pp.76-84
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• 2016

Objectives: We evaluated the anti-fatigue effects of Rh2-enriched Korean ginseng (Ginseng Rh2+) using a forced exercise-induced chronic fatigue mouse model. Methods: ICR male mice were subjected to running wheel for 1 h, 5 days/week during 4 weeks, and running velocity was gradually increased. Each running session was followed by oral administration of distilled water, Ginseng Rh2+ (150 or 300 mg/kg), or N-acetyl-L-cysteine (NAC, 100 mg/kg) 1 h later. The exercise tolerance and forced swimming test were performed to evaluate the fatigue condition. Results: Chronic forced exercise reduced the physical activity, as evidenced by the behavioral tests, which were notably ameliorated by Ginseng Rh2+ treatment. Ginseng Rh2+ treatment also attenuated the alterations of energy metabolism and oxidative stress in skeletal muscle tissues and/or sera, including malondialdehyde (MDA), lactate concentration and its related factors (lactate dehydrogenase, blood urea nitrogen, and glucose levels). Conclusion: These findings strongly suggest that Ginseng Rh2+ exerts a potent anti-fatigue effect through modulation of energy metabolism and oxidative response.

• Journal of Applied Biological Chemistry
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• 제56권1호
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• pp.1-3
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• 2013

본 연구결과에서 홍경천 추출물은 L6 근육세포에서 산화적 손상으로 인한 세포사멸과 ATP 생성량 감소를 유의적으로 억제하였을 뿐만 아니라 마우스에 2주간 200 mg/kg 농도로 경구투여시 통계적으로 유의하지는 않았으나 treadmill 운동시간을 증가시켰고 glutamic oxaloacetic transaminase, glutamic pyruvic transaminase, lactate dehydrogenase, creatinine, lactate 등의 혈액지표를 개선시켰다. 따라서 홍경천은 과도한 운동 스트레스로 인한 손상을 억제할 수 있는 소재로써의 큰 가능성을 가지고 있는 것으로 판단된다.

• International Journal of Industrial Entomology and Biomaterials
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• 제39권1호
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• pp.34-38
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• 2019

In this study, we investigated the effect of silkworm, and its by-products on exercise endurance, muscle mass, and fatigue recovery using ICR mice model. Powders of silkworm, pupae, dongchunghacho, and silk powder were suspended in water and feed to mice for 2 weeks. The forced swimming time was increased by 4.3, 4.1 and 2.8 seconds after silkworm, pupae, and dongchughacho administration compared to DW fed group. Increases in exercise ability were achieved by difference mechanism according to feeding materials. Pupae increased muscle mass by 129% compared with the control group which may effect on elongation of swimming time. Dongchunghacho improved the plasma concentrations of fatigue markers such as creatinine, blood urea nitrogen (BUN), and D-lactate. Silkworm administration showed dual effect, the muscle mass induction (114% vs. control) and anti-fatigue (plasma creatinine, BUN, and D-lactate were 63, 75, and 78% vs. con) effect which contributed most elongated swimming time. In conclusion, silkworm and its by-products including pupae and dongchunghacho with the predominant protein and bioactive components improved muscle mass and showed anti-fatigue effect which could promote exercise performance ability.

• Journal of Acupuncture Research
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• 제18권2호
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• pp.214-226
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• 2001

Background and Purpose : Recently oriental medicine is making a new try for arthritis therapy, one of them is herbal acupuncture. Herbal acupuncture is therapy which combines acupuncture with herbal medicine. Also, aquatherapy will be the good method for arthritis therapy. Aquatherapy begins with YMCA aquatic exercise program in 1984 by America athritis foundation. Aquatherapy uses buoyancy, hydmstatic pressure, resistance, water temperature which is four water characters. So we should study on the herbal acpuncture and aquatherapy. Objecitve and Method : This study researched 21 thesises for herbal acupuncture and many artcles and data for aquatherapy. 21 thesises for herbal acpuncture is divided two groups. One group is about effect on alleviation of pain(18 thesises), the other group is for antiphlogistic effect(13 thesises). About aquatherapy, we research many books, papers, and aquatherpy method, for example Ai Chi, BACKHAB, Watsu. Result and Conclusions : About herbal acupuncture, we researched 21 thesises, and 17 thesises proved the effect on alleviation of pain, 13 thesises proved the antiphlogistic effect of herbal acupuncture. For the aquatherapy, we researched many datas, and concluded like this. Due to the lessned effect of gravity, patients in exercising in water will have very little body weight and very little impact. So, aquatherapy or aquaexercise is an excellent exercise medium for the people who are experiencing some physical difficulty.

• 운동영양학회지
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• 제24권2호
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• pp.11-21
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• 2020

[Purpose] Doxorubicin (DOX) is a potent anti-cancer drug that appears to have severe myotoxicity due to accumulation. The skeletal muscle has a regeneration capacity through satellite cell activation when exposed to extracellular stimulus or damage. Endurance exercise (EXE) is a therapeutic strategy that improves pathological features and contributes to muscle homeostasis. Thus, this study investigated the effect of EXE training in mitigating chronic DOX-induced myotoxicity. [Methods] Male C57BL/6J mice were housed and allowed to acclimatize with free access to food and water. All the mice were randomly divided into four groups: sedentary control (CON, n=9), exercise training (EXE, n=9), doxorubicin treatment (DOX, n=9), doxorubicin treatment and exercise training (DOX+EXE, n=9) groups. The animals were intraperitoneally injected with 5 mg/kg/week of DOX treatment for 4 weeks, and EXE training was initiated for treadmill adaptation for 1 week and then performed for 4 weeks. Both sides of the soleus (SOL) muscle tissues were dissected and weighed after 24 hours of the last training sessions. [Results] DOX chemotherapy induced an abnormal myofiber's phenotype and transition of myosin heavy chain (MHC) isoforms. The paired box 7 (PAX7) and myoblast determination protein 1 (MYOD) protein levels were triggered by DOX, while no alterations were shown for the myogenin (MYOG). DOX remarkably impaired the a-actinin (ACTN) protein, but the EXE training seems to repair it. DOX-induced myotoxicity stimulated the expression of the forkhead box O3 (FOXO3a) protein, which was accurately controlled and adjusted by the EXE training. However, the FOXO3a-mediated downstream markers were not associated with DOX and EXE. [Conclusion] EXE postconditioning provides protective effects against chronic DOX-induced myotoxicity, and should be recommended to alleviate cancer chemotherapy-induced late-onset myotoxicity.

• 대한의생명과학회지
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• 제16권1호
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• pp.68-70
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• 2010

Puer tea is a traditional beverage originating from Yunnam area of China. It supplies basic nutrients such as vitamin C. It has been well reported that daily drinking of Puer tea can help the digestion and ease the stomachache after food intake. Puer tea also contains various polyphenols which may exert antibacterial activity against Staphylococcus aureus and Listeria monocytogenes. Because of these functional effects on digestive system we suspected if Puer tea can display any dietary effect or decrease the obesity after long-term drinking. We employed 6-week old SD rats as experimental animal and treated them with extract of Puer tea in relation to the body weights. Rats were divided into 5 groups (NC, PC, E, E+P, E+P5). NC group was experimental control and rest of them are as follows: water only (PC), water with exercise (E), water with exercise and Puer tea extract (E+P), water with exercise and 5X extract of Puer tea (E+P5). Feeding was carried out every day for 5 weeks by oral administration. Reduction rate of body weights was highest in E group. Relative ratio of losing weight was as follows: PC group (100.78%), E group (95.57%), E+P group (94.53%) and E+P5 group (74.22%), respectively. Exercise was more helpful to control the body weight. The result strongly suggests that Puer tea is highly effective to control the body weight and could be used for pharmaceutical purpose to treat obesity without side effects.