• 산업융합연구
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• 제22권1호
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• pp.85-93
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• 2024

본 연구의 목적은 한국인에서 고강도 신체활동(일)과 음료수 섭취 빈도와의 관계성를 알아보고자 하였다. 본 연구 대상자는 2021년 제8차 국민건강영양조사(KNHANES)의 데이터를 활용하였다. 데이터 자료 분석은 집단 간 평균 차이, χ²-test, 이분형 로지스틱 회귀분석을 실시하여 분석하였다(p<0.05). 탄산음료는 그룹 중 63.6%가 일주일에 한 번 이하로 섭취하였고, 에너지 드링크는 68.6%가 일주일에 한 번 이하로 섭취하였다. 이러한 결과는 고강도 신체활동(일)을 하는 그룹에서 탄산음료와 에너지 드링크가 더 자주 소비되었으며, 대부분의 음료수가 일주일에 한 번 이하로 섭취되었다는 것을 알 수 있었다. 본 연구의 결과를 토대로, 고강도 신체활동(일)을 할 때 탄산음료와 에너지 드링크를 대체할 만큼 건강에 이로운 음료의 개발을 위한 기초 자료로 활용되기를 바라며, 음료수 섭취보다는 건강에 이로운 새로운 접근 방식을 탐구하고 건강증진을 위한 중재 프로그램을 개발의 필요성을 제안하고자 한다.

• 한국융합학회논문지
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• 제12권11호
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• pp.359-369
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• 2021

본 연구는 국민건강영양조사 제 8기 원시 자료를 활용하여 65세 이상 2,701명의 정상 노인과 만성질환 노인의 활동 제한에 영향을 주는 요인을 파악하기 위해서 복합표본 로지스틱 회귀분석을 실시하였다. 만성질환 노인이 정상 노인보다 활동 제한을 느낀다고 조사되었다. 뇌졸중, 고혈압 환자의 활동 제한 요인으로는 주관적 건강 상태, 경제 수준, 스트레스 인지 정도, 중강도의 일과 여가이다. 심장질환 환자의 활동 제한 요인으로는 주관적 건강 상태, 경제 수준이었으며, 관절질환 환자의 활동 제한의 요인으로는 주관적 건강 상태, 고강도의 일과 여가이다. 폐 질환 환자의 활동 제한요인으로는 교육 수준, 고강도의 일과 여가이며, 내분비계 환자의 활동 제한의 요인으로는 주관적 건강 상태, 스트레스 인지 정도, 고강도의 일과 여가이며, 암 환자의 활동 제한의 요인으로는 주관적 건강 상태, 스트레스 인지 정도, 중강도의 일과 고강도의 여가이다. 만성질환 노인의 지속적인 활동 참여를 위한 재활프로그램과 정책적 지원이 필요하다.

• 수산해양교육연구
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• 제21권2호
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• pp.213-229
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• 2009

The purpose of this study is not only to provide students in the fishery high schools with source materials and opportunity, but also to contribute to a comprehensive development in educational program of the fishery high schools. It investigated various factors of aquarium related 6 new occupations : job contents, educational-level for job performance, training period, worker's capacity, the degree of physical activity, working place, and working environment. First, the work intensity is a normal work. The physical activities such as crawling, bending, accurately seeing a nearby thing and using hands are frequently used. The work is mainly conducted inside a room. The condition for a work environment is very moist and humid. Second, the work intensity is a light work. The physical activities such as using hands, speaking and accurately seeing a nearby thing are frequently used. The work is mainly conducted inside and outside a room. The work environment factor did not have any effect on the work. Third, the work is mainly conducted inside and outside a room. The risk in the condition for a work environment is found out as miscellaneous. Fourth, the physical activities such as bending, touching, and accurately seeing a nearby thing are frequently used. The work is mainly conducted inside a room. The work environment factor did not have any effect on the work. Fifth, the work is mainly conducted inside a room. The condition for a work environment is very moist and humid. Sixth, the work is mainly conducted inside a room. The work environment factor did not have any effect on the work.

• Safety and Health at Work
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• 제6권3호
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• pp.192-199
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• 2015

Background: Overweight, obesity, and cardiovascular disease risk factors are prevalent among firefighters in some developed countries. It is unclear whether physical activity and cardiopulmonary fitness reduce cardiovascular disease risk and the cardiovascular workload at work in firefighters. The present study investigated the relationship between leisure-time physical activity, cardiopulmonary fitness, cardiovascular disease risk factors, and cardiovascular workload at work in firefighters in Hong Kong. Methods: Male firefighters (n = 387) were randomly selected from serving firefighters in Hong Kong (n = 5,370) for the assessment of cardiovascular disease risk factors (obesity, hypertension, diabetes mellitus, dyslipidemia, smoking, known cardiovascular diseases). One-third (Target Group) were randomly selected for the assessment of off-duty leisure-time physical activity using the short version of the International Physical Activity Questionnaire. Maximal oxygen uptake was assessed, as well as cardiovascular workload using heart rate monitoring for each firefighter for four "normal" 24-hour working shifts and during real-situation simulated scenarios. Results: Overall, 33.9% of the firefighters had at least two cardiovascular disease risk factors. In the Target Group, firefighters who had higher leisure-time physical activity had a lower resting heart rate and a lower average working heart rate, and spent a smaller proportion of time working at a moderate-intensity cardiovascular workload. Firefighters who had moderate aerobic fitness and high leisure-time physical activity had a lower peak working heart rate during the mountain rescue scenario compared with firefighters who had low leisure-time physical activities. Conclusion: Leisure-time physical activity conferred significant benefits during job tasks of moderate cardiovascular workload in firefighters in Hong Kong.

• 한국학교보건학회지
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• 제31권3호
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• pp.196-202
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• 2018

Purpose: The purpose of this study was to analyze the relationship between physical activity and energy drinks consumption in Korean Adolescents. Methods: This study was a secondary data analysis using statistics from the 2017(13th) Korea Youth Risk Behavior Web-based Survey. The variables used in the study were physical activity, energy drinks consumption and socio-demographic characteristics such as gender, academic achievement, household economic status and weekly allowance. The data were analyzed by $x^2$ test and multinominal logistic regression and the results were presented in percentage. Results: As the number of days engaging in moderate and vigorous physical activities increased, the response that they consume energy drinks 'more than 5 times a week' also increased. The subjects who participated in a 'moderate' or 'high' level of moderate physical activity consumed 1.4 times more energy drinks than those who do not participate in physical activity. And the subjects who engaged in a 'low' or 'moderate' level of vigorous physical activity consumed about 1.3 times more energy drinks than those who don't work out. Conclusion: As the level and intensity of physical activity increased, the number and frequency of energy drinks consumption increased. The results of this study can be used as basic data for intervention programs to reduce energy drinks consumption and promote proper physical activity.

• 한국학교보건학회지
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• 제13권1호
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• pp.97-108
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• 2000

This study researches an obesity index and the realities of physical activity of elementary school children and provide basic data to instruct correct physical activity for low weight and obese children. The subject was 813 Elementary School Children of grade 4-6 in Kyungju and data were collected with a Physical Activity Questionnaire from YHS, USA. The collected data were analyzed with real number, percentage, average and standard deviation techniques. The range was by SPSS WIN. Both of them were in the normal range, between -38.3 and 77.7, between low weight and obesity. The results are as follows : 1. An Obesity index according to grade and sex: the average obesity index of 423 boys was $7.56{\pm}15.7$, for girls it was $2.56{\pm}14.3$. Both of them were in the normal range, between -38.3 and 77.7. There were low weight($-38.85{\pm}0.9$) students as well as obese, including extremely low weight children ($-38.85{\pm}0.9$) and extremely obese children. 2. On the whole, in the Frequency of the 25 item physical activities breakdown, children reported to watch TV 1. ($2.7{\pm}0.6$), or do homework($2.1{\pm}0.9$), more than three-fourths of the week, male children, however, played more football($2.0{\pm}0.9$). As male obese children do less MET5, MET8(highly active activity) than male normal children, it was also discovered that low weight children do more severe activity in MET8(high activity). In female cases, it was revealed that neither do highly intense activity. 3. In physical activity, male children received higher points than female children with $92.94{\pm}37.95$ to $74.46{\pm}29.50$. On the whole, male and female obese children had lower score than normal children. 4. As for attitude toward physical activity, male children($31.96{\pm}4.37$) had a positive attitude than female children ($29.57{\pm}3.89$), but obese male children had a negative attitude regarding activity viewed as normal. Therefore, in preventing obesity in elementary school children the treating of under-weight children should be included in the obesity program so as to prevent mal-nutrition or deficiency. It is needed to instruct obese children to carry out intensive work-outs at least 3 times a week through systematic programs. It is also needed that parents and teachers educate elementary school children from an early age with information on the frequency and intensity of work-outs to prevent obesity. It is also desirable that children be educated to carry out physical activities that address their specific needs. As a result of this study, obesity management must be started from elementary school and children should be instructed to act in high-intensity actirities when they spend leisure time.

• Journal of Ginseng Research
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• 제46권4호
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• pp.543-549
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• 2022

Background: In physical activity or labor, the human body is in a state of high intensity stress, and all parts or physiological functions of the body respond positively to maintain or balance the need for movement. The human body has many physiological changes in the process of movement, and fatigue is the external manifestation of various complex changes inside the human body. Fatigue is also a physiological mechanism of self-protection after the body reaches a certain level of activity, which can prevent the occurrence of life-threatening excessive functional failure. The generation of fatigue is a very complex process, and its mechanism has not been concluded yet. Therefore, it is an important work to search and screen the effective components of natural plants that have anti-fatigue effect and to explore their mechanism. Methods: This was a 8-week, randomized, double-blind, placebo-controlled clinical trial. A total of 110 subjects who passed physical examination were included according to the scheme design, and randomly divided into a test group which was given KRG and a placebo control group. The calculation is carried out according to the standard of sub-high-intensity exercise test. Results: There was no adverse effect on safety index of subjects after taking red ginseng capsule. After KRG treatment, subjective strength grade is significant lower than placebo treatment. Blood lactic acid content is significantly get lower after trial in KRG group, and significant lower than placebo group. Creatine phosphokinase(CK) content is significantly get lower after trial in KRG group, and significant lower than placebo group. Conclusion: According to the criterion in the test scheme, the result shows that KRG is helpful on relieving physical fatigue.

• Physical Therapy Rehabilitation Science
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• 제10권2호
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• pp.175-184
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• 2021

Objective: Fatigue can decrease both quality of life and work efficiency. Ginseng is one of the most popular herbal treatments for improving personal health, with applications in treating fatigue. However, the exact mechanisms of anti-fatigue effects are still unclear. Thus, we investigated the effect of red ginseng powder (RGP) on exercise capacity and peripheral fatigue using both behavioral and molecular experiments in mice. Design: Four-groups behavioral and molecular experiment. Methods: Male 6-weeks-old ICR mice were treated with distilled water, 100, and 200 mg/kg RGP for 5 days via oral administration. The exercise capacity of each animal group was measured by locomotor activity, rota-rod, hanging wire, and cold swimming tests. Additionally, after performing the treadmill to induce fatigue, lactate expression and molecular experiments were investigated using mice gastrocnemius. Results: Mice treated with RGP exhibited increased exercise capacity in the behavioral tests. Additionally, RGP induced a dose-dependent decrease in lactate levels after high-intensity exercise, and Monocarboxylate transporter (MCT) 4 expression increased in groups treated with RGP. However, there was no significant change in MCT1. Conclusions: These results suggest that RGP exerts several anti-fatigue properties by lower lactate and improved exercise capacity. Increased MCT4 expression may also affect lactate transport. Thus, this study suggests that the anti-fatigue properties of RGP might be associated with MCT4 activity.

• 한국산업융합학회 논문집
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• 제23권4_2호
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• pp.593-601
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• 2020

This study was conducted to analyze the physical strain with heart rate monitor in timber harvesting operations in order to reduce occupational accidents. The timber harvesting activities are manual cutting(felling, limbing and bucking) with a chainsaw and extraction by cable yarder. The study took place on Japanese larch stand. The average height was 26m and average diameter at breast height(DBH) was 3 7cm. The havest unit was gentle slope to steep slope. Results showed that the heart rate increases for chocking, felling, limbing and bucking were 94.0%, 87.9%, 84.8% and 56.4% respectively. The rate of Work Load Index was higher in the limbing(61.4%) activity than other activities chocking(55.2%), felling(54.1%) and bucking(32.1%). During 50% working heart rate test it was found that limbing(1.09), chocking(1.05) and felling(1.04) was exposed to high work intensity compared to bucking(0.83). The results showed that maximum acceptable work times(felling, chocking and limbing) were 2.30 hour, 1.85 hour and 1.60 hour respectively. To avoid occupational accidents, timber harvest workers may use a suitable working hour schedule to felling, chocking, limbing.

• 한국산학기술학회논문지
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• 제21권3호
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• pp.529-536
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• 2020

본 연구는 한국 성인들이 커피 섭취 시 어떠한 상황에 가장 많이 마시게 되는지를 살펴보고, 커피 섭취와 건강증진에 필요한 기초자료를 제공하고자 한다. 이 연구는 국민건강영양조사 제7기 2차년도인 2017년 원시 데이터를 활용하였고, 연구대상자는 만 19세 이상 성인에 대해 결측값을 제외한 3,325명이었다. 이는 최근 1년간 커피의 평균 섭취량이 1잔 이상인 경우만을 추출한 수이다. 커피 섭취량에 영향을 미치는 요인을 파악하기 위하여 일반적 특성으로 성별, 연령, 가구소득, 교육수준, 직업, 건강행태로는 흡연여부, 음주여부, 일 및 여가로서 고강도, 중강도, 걷기 신체활동 실천 여부, 수면시간, 스트레스, 우울여부 등에 영항을 받는지를 모형에 포함하였다. 연구결과 남자보다 여자의 커피 섭취량이 낮았고, 20-39세보다 40-64세, 무직보다는 육체적 직업, 비흡연자보다는 흡연자, 낮은 스트레스보다 높은 스트레스를 받는 경우가 커피 섭취량을 증가시키는 요인이었다. 이러한 요인을 가진 대상자들은 커피 섭취에 의한 카페인 과다 섭취의 위험 군으로 판단된다. 본 연구결과의 위험 군을 대상자로 커피의 과다 섭취가 건강에 어떤 영향을 미치는지에 대한 연구가 추후 필요할 것으로 생각된다.