• 생명과학회지
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• 제21권6호
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• pp.875-883
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• 2011

마늘추출물 및 비타민 B군 강화 식이를 4주간 급이한 후 흰쥐에 수영부하 실험으로 스트레스를 가하였을 때, 피로회복 인자와 관련된 흰쥐의 체내 지질성분 및 간 기능에 미치는 영향을 분석하였다. 혈당은 대조군($193.41{\pm}3.85$ mg/dl)보다 실험식이군이 $152.85{\pm}6.57{\sim}169.93{\pm}8.75$ mg/dl로 유의적으로 낮았다. 혈청 중 총 지질, 총 콜레스테롤 및 LDL-콜레스테롤은 대조군에 비해 낮은 경향이었으며 마늘추출물과 비타민 B군 강화 시료를 각각 첨가한 SG군과 SV군 보다는 이들을 혼합 급이한 SGV군에서 유의적으로 더 낮았다. 혈청 중의 TBARS 함량은 정상군에 비해 대조군에서 17.25%나 증가하였으며 마늘추출물 및 비타민 B군 강화 급이로 낮아지는 경향이었다. 간조직의 지질 성분 중 총지질은 정상군에 비해 SGV군이 10% 더 낮은 함량이었고, 중성지질은 대조군에 비해 SGV군에서 46% 더 낮게 정량 되었다. 수영부하 스트레스에 의한 간조직 중의 글리코겐 함량은 대조군이 정상군보다 유의적으로 낮았으며 SG, SV 및 SGV 군은 정상군과 유의차가 없었다. 이상의 결과를 종합하여 볼 때 마늘추출물과 비타민 B군 강화급이는 혈중 혈당, 총콜레스테롤 및 LDL-콜레스테롤을 유의적으로 감소시켰으며 또한 수영부하 스트레스로 혈중 및 간장에 다량 생성될 수 있는 지질과산화물 함량도 유의적으로 감소시키므로 피로회복 및 스트레스 개선에 효과가 있을 것으로 판단된다.

• Journal of Yeungnam Medical Science
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• 제40권3호
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• pp.297-301
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• 2023

The coronavirus disease 2019 (COVID-19) pandemic has been ongoing for more than 2 years. Many patients who recover from severe acute respiratory syndrome coronavirus 2 infection continue to have aftereffects such as dyspnea and fatigue, which may lead to functional decline. Therefore, the need for managing these symptoms using methods such as pulmonary rehabilitation (PR) has emerged. The purpose of this study was to report the effectiveness of PR in five patients with acute COVID-19. PR was performed in patients with persistent dyspnea and oxygen demand after COVID-19. All five patients were able to maintain an independent functional status before COVID-19. However, after acute COVID-19, they were unable to walk independently and needed assistance for activities of daily living due to dyspnea and fatigue. Therefore, they were referred to rehabilitation units, and PR was performed. The modified Medical Research Council dyspnea scale, maximal expiratory pressure (MEP), 6-minute walking test, forced vital capacity, and grip strength were assessed before and after PR, and the results were compared. After PR, the parameters improved, except for the MEP in one patient (patient 3) and the grip strength in another patient (patient 4). After PR, two out of five patients returned to work and the other three returned home. Therefore, we conclude that PR is necessary for patients with acute COVID-19 with activity limitations.

• 한국정밀공학회지
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• 제33권7호
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• pp.551-558
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• 2016

Reduction of welding residual stress is very important in the railway industry, but calculating its distribution in structures is difficult because welding residual stress formation is influenced by various parameters. In this study, we developed a finite element model for simulating the repair welding process to recover a surface damaged rail, and conducted a series of parametric studies while varying the cooling rate and the duration of post weld heat treatment (PWHT) to find the best conditions for reducing welding residual stress level. This paper presents a three-dimensional model of the repair welding process considering the phase transformation effect implemented by the ABAQUS user subroutine, and the results of parametric studies with various cooling rates and PWHT durations. We found that heat treatment significantly reduced the residual stress on the upper rail by about 170 MPa.

• 동의신경정신과학회지
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• 제24권3호
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• pp.245-250
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• 2013

Objectives : Psychasthenia is a psychological disorder that is characterized by phobias, obsessions, compulsions, or excessive anxiety. Their thoughts can be scattered and require significant effort to organize, often resulting in sentences that do not come out as intended, making little sense to others. Methods : Two Patients with psychasthenia are unable to resist specific actions or thoughts, regardless of their maladaptive nature and have insufficient control over their conscious thinking and memory, sometimes wandering aimlessly and/or forgetting what they were doing. Results : The constant mental effort induces physiological fatigue, which worsens the condition. Nevertheless, psychasthenia has become a forgotten disorder. We observed two cases that are worthy of the original definition of psychasthenia. Conclusions : It can be concluded that patients with psychasthenia complain of sinking because of a reduction in psychological tension or an effort to recover the reduction in tension.

• 한국응급구조학회지
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• 제17권2호
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• pp.21-28
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• 2013

Purpose : The aim of the study is to compare the effect of cardiopulmonary resuscitation (CPR) with voice and CPR without voice by one rescuer. Methods : Subjects were 26 students in C University who had basic life support certificate for Healthcare Provider. They performed 30:2 CPR for 6 minutes by two groups of CPR with voice and CPR without voice by one rescuer from August 14 to 16, 2012. They performed CPR with Resusci Anne SkillReporter$^{TM}$ and Laerdal PC SkillReporting System Ver. 2.4.1(Laerdal Medical, Norway and recored voice using TES-1350A(TES Electrical Electronic Corp, Taiwan). Between each experiment, 1 day of rest was given, providing enough time to recover from the fatigue of CPR. Results : The depth, rate of chest compression, and ventilation volume were not affected by a voice (p >.05), and the ratio of chest compression to ventilation kept 30:2, when the subject made a sound (p <.05). Conclusion : Making voice during CPR was associated with an accurate ratio of 30:2 and the reduction in hands off time.

• Journal of the Korean Wood Science and Technology
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• 제20권4호
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• pp.15-20
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• 1992

This study was carried out to improve the method of tapping sap from Betula platyphylla Sukatschev, Betula costata Trautv., Betula schmidtii Regel, Betula davurica Pallas, Betula ermanii Cham, Acer mono Maxim and Acer pseudo-sieboldianum Kom and to use it to natural drinks. The mal or results are as follows: 1. It is no difference of the amount of sap by tapping methods and species of trees. The larger D.B.H. is, the more amount of sap can be gotten. So we thought that the best tapping method is hole-drilling to prevent trees from damage. 2. Sap contains sugars and mineral materials. Birches have glucose and fructose, much more mineral materials than maples. Sugar of maples is mainly sucrose. 3. We assume that mineral materials of birches are effective to urination, to make a stong dody and sucrose of maples is effective to recover from one's fatigue by controlling the blood sugar. 4. In vacuum packing after sterilizing the sap in low temperature, it could be stored more 1 year. So, it is possible that sap will be commercialized.

• 대한지역사회영양학회지
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• 제3권1호
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• pp.94-106
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• 1998

Nutrient supplements are often used by athletes as ergogenic aids. This study was done to investigate the use of nutrient supplements, nutritional knowledge and nutrient intakes of athletes. Subjects of this survey consisted of 195 national team athletes. The prevalence of nutrient supplement use among all subjects was 30.3%, and the frequency of use, by decreasing order, was weight lifting, taekwondo and badminton athletes. Sport drinks were the type of nutrition supplement used most frequently and vitamin C was the second one. Major reasons for nutrient supplement use were to improve training performance and to recover from fatigue, to supplement fluid and to control weight. The average score of nutritional knowledge was $19.9\pm{2.5}$ for nutrient supplement users, and $19.8\pm{3.6}$ for nutrient supplement nonusers. Intakes of protein, calcium and niacin of the user were higher than those of the nonuser. This information provided by this study can help sport nutritionists identify nutrient supplement most often consumed by national elite athletes and can aid counselors as they guide athletes towards more healthful nutrition practices.

• 대한물리의학회지
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• 제15권4호
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• pp.29-35
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• 2020

PURPOSE: This study examined the immediate effects of Graston instrument-assisted soft-tissue mobilization (GIASTM) and self-stretching on the muscular properties of the gastrocnemius in athletes. METHODS: Thirty subjects (All in their 20 s) were distributed randomly and evenly into two groups of 15 each: GIASTM and stretching. The subjects had no history of gastrocnemius damage in the previous three months. The muscle tone, stiffness, elasticity, and mechanical stress relaxation time (MSRT) of the gastrocnemius were blind-tested. RESULTS: The GIASTM group showed significant changes in all categories, while only MSRT changed significantly in the self-stretching group after intervention. A comparison of the two groups revealed significant differences in stiffness, elasticity, and MSRT (Time required for the muscle to recover after distortion after intervention in the GIASTM group. CONCLUSION: In this study, significant decreases in muscle tone and stiffness, as well as significant increases in elasticity, were observed in the gastrocnemius of the GIASTM group. On the other hand, sSelf-stretching showed significant differences in MSRT. Therefore, GIASTM is more effective in the recovery of the gastrocnemius muscle from fatigue than self-stretching. This study suggests that GIASTM can help prevent damage to the gastrocnemius in athletes and contribute to their training and rehabilitation programs.

• 한국식품조리과학회지
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• 제18권2호
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• pp.136-146
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• 2002

This study was performed to find out the patterns of health food usage among the adults residing in Seoul. The majority of respondents were female (72.2%), who were 40∼49 years old (42.2%), and 53.4% had college education or over. Of the 618 respondents surveyed, more than half (56.3%) was found to take health food. The respondents responded that the most important factors for maintaining healthy body were proper eating habit (4.38 out of 5), and good rest and enough sleep (4.38). Depending on the general characteristics and the age of the subject, there were significant differences in the usage and the kind of health food, respectively Probiotic beverage was the most frequently used by the age group of 20's due to its affordable price. The most popular health food items were ginseng, herbal medicine, and animal protein. The main reasons for taking health food were to maintain health (49.7%) and to recover from the fatigue (22.6%). When selecting health food, they considered side effect, effectiveness, cleanliness, reliability of company and price. The motivation for purchasing health food came from family members and relatives (45%), subjects themselves (27%), and commercial advertisement (10%). Pharmacy and health food store were the popular places for purchasing them.

• 대한한의학방제학회지
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• 제9권1호
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• pp.397-403
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• 2001

Tyroid gland is the biggist endocrine organ which is located in front of trochea. The role of the thyroid gland in the total body economy comprises the synthesis, storage, and secretion of thyroid hormones, which are necessary to growth, development, and normal bodymetabolism. Hypothyroidism is the state of a dificiency in the secretion of Thyroid hormone. This may result from idiopathic myxedema, or distruction or removal of thyroid, or goiter, or thyroid adenomas. Hypothyroidism corresponds to thick lips, dry skin, puffy eyelids, coars hair, megaloglossia, and pudgy hands etc. On one case of Hypothyroidism who was hospitalized for the chief complaints of fatigue, general weakness, coldness, edema in head, neck site, lumbago. I diagnosed this case as dificiency of Qi and blood(氣血兩虛) or dificiency of warm-Qi in spleen and kidney(脾腎陽虛). And then I used Moxa treatment to increase Qi and blood, and Acupuncture treatment to reduce shoulder and neck pain, lumbago. And Herb-med is used to increase Qi and blood, and recover of general condition. As a result, this patient got better more quickly.