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Effects of Exercise Periods of Aerobic Dance on the Serum HDL-Cholesterol in Middle - Aged Women (중년여성의 에어로빅댄스의 수행기간이 혈청 HDL-Cholesterol에 미치는 영향)

  • 안창순
    • The Korean Journal of Food And Nutrition
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    • v.5 no.2
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    • pp.123-131
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    • 1992
  • This study was designed to find out the effects of aerobic exercise on the serum lipids in the middle-aged women. The effects of aerobic dancing on serum total cholesterol(TC), triglyceride(TG) and HDL-cholesterol (HDL-C) were studied in eight sedentary women(control group) and twenty seven aerobic exercising women(aerobic group) , aged 35∼45%. Aerobic exercising subjects were divided into 3 group; 2 to 3 months exercising group(Al), 4 to 10 months exercising group(AH), over 1 year exercising group(AIII) according to the periods of exercise. The serum lipid levels of aerobic exercising groups(AI, AII, AIIII) were compared with those of control group. The results statistically analyzed were summarized as follows : 1) The serum TG levels of aerobic groups decreased very significantly compared with those of control group(p< 0.001) and tended to be lower with the increase in aerobic periods. But there were no significant differences among aerobic groups by ANOVA. 2) The serum TC levels of aerobic groups decreased compared with those of control group and tended to be lower with the increase of aerobic periods. But there were no significant differences among groups. 3) Serum HDL-cholestrol level of A I group was elevated significantly compared with that of control group and significant difference was observed according to the aerobic periods : AR group exhibited higher serum HDL-cholesterol values than AH group, and AH group higher than A I group.

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Dietary Habits of the Oldest-old Population in Sunchang County (순창군 장수인의 식습관 및 식생활 특성)

  • Lee, Mee-Sook
    • Korean Journal of Community Nutrition
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    • v.13 no.6
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    • pp.855-866
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    • 2008
  • The dietary patterns and characteristics of oldest-old subjects over 85 of Sunchang County (total of 171, 61 males and 110 females) were studied. The average age was $90.6{\pm}3.7$ years old (male; $89.1{\pm}2.8$, female; $91.5{\pm}3.8$), and 90.9% of them were reported to have had no schooling experience. Family types having a spouse were much greater in men (50%) than women (1.8%). The percentages of living alone showed the gender differences, which were comprised of 33% of females and 18.3% of males. In this study, 73.7% of subjects answered "very good" or "good" for their health status. These elderly subjects might maintain their health through a relatively lower rate of smoking (22.2%) and drinking (27.5%), having non-sedentary activities (84.2% of the subjects are physically active) and enough sleep. Their characteristic dietary patterns include high preference of rice (96.5%) and blanch & Seasoned vegetable dishes (Namal, 90.6%) frequent consumption of plant-based food groups containing plenty of anti-oxidants such as vegetables and legumes, and they showed high rates of meal regularity (77.2%) and no skipping of meals (94.2%). It seems to be developed and disseminated in the congregate meal program for improving nutritional status of the elderly, since the coming increment of single-elderly family and single dwellers of rural areas.

Effects of Exercise on Bone Mineral Density and Bone Mineral Content in Postmenopausal Women

  • Choi Mi-Ja
    • Journal of Community Nutrition
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    • v.7 no.2
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    • pp.93-99
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    • 2005
  • This study investigated associations between exercise habit and bone mineral density (BMD) and bone mineral content (BMC) in postmenopausal women. The BMD and BMC of the spinal skeleton was measured by dual energy x-ray absorptiometry. Exercise and energy expenditure of physical activity were estimated by questionnaire. For exercise activities, subjects were asked to identify all exercises they have participated in. The subjects were further asked to estimate the number of years of participation, the number of weeks per year, the number of times per week, and the number of hours per time. Subjects were then categorized into exercise (more than 3 times/wk, more than 30min per session exercise (n = 47) and nonexercise group (n = 72). Results indicated that there were no significant differences in BMD and BMC when comparisons were made between subjects in exercise habit, a general exercise group and a nonexercise control group. However, when exercise subjects were divided into weight-bearing and nonweight-bearing groups, significant differences were found. These results suggest that weight-bearing exercise positively influences bone mineral density and bone mineral content in postmenopausal women. Sedentary women should be encouraged to adopt a weight-bearing exercise to maintain the health of their skeletons. Exercise interventions are practical and feasible for healthy women and should be encouraged at the earliest possible age. Our findings lend support to recommendations for physical activity and weight-bearing exercise as a means of osteoporosis prevention.

A Study on Gender Differences in Influencing Factors of Office Workers' Physical Activity (남성과 여성 사무직 근로자의 신체활동에 미치는 영향요인 비교)

  • Chae, Duck Hee;Kim, Su Hee;Lee, Chung Yul
    • Research in Community and Public Health Nursing
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    • v.24 no.3
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    • pp.273-281
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    • 2013
  • Purpose: The purpose of this study was to determine gender differences in effects of self-efficacy, exercise benefits and barriers, and demographic factors on the physical activity. Methods: Seventy sedentary office workers, 35 male and 35 female, from a major airline company, completed a questionnaire from March 28 to April 5, 2012. Steps and body mass indices were measured using a CW-700/701 (Yamax) pedometer and Inbody 720 (Biospace), respectively. Data were analyzed using t-test, $x^2$-test, multiple linear regression, and simultaneous quantile regression. Results: For male workers, exercise self-efficacy had a significant effect on physical activity, but only when respondents were at 10%(3,431 steps/day, p=.018) and 25%(4,652 steps/day, p=.044) of the physical activity distribution. For female workers, marital status was significantly related to physical activity, but only when respondents were at 10% (3,537 steps/day, p=.013) and 25%(3,862 steps/day, p=.014) of the physical activity distribution. Conclusion: Quantile regression highlights the heterogeneous effect of physical activity determinants among office workers. Therefore intervention strategies for increasing physical activity should be tailed to genders as well as physical activity levels.

Effects of Increase in Physical Activity Using Mobile Health Care on the Body Composition and Metabolic Syndrome Risk Factors in 30-40's Male Office Workers.

  • Lee, Jin-Wook;Park, Sung-Soo
    • Journal of the Korea Society of Computer and Information
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    • v.23 no.10
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    • pp.119-125
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    • 2018
  • The purpose of this study was to investigate the effect of health care on the body composition and metabolic Syndrome risk factors in male office workers. The subjects of this study were 30~40's male office workers and their physical activities were increased by mobile healthcare. The date analysis in this study was carried out paired t­test using SPSS 20.0 version(${\alpha}=.05$). The result of study were as follow: First. body composition kg(p<.015), BMI(p<.041), WC(p<.026) were significantly decreased after Increase in Physical Activity Using Mobile Health Care, although these did not reach statistical significance, SMM(p<.123), BF(p<.059) was slightly increased and decreased trend. Second, SBP(p<.300), DBP(p<.384) was slightly decreased trend and BS(p<.034) were significantly decreased after Increase in Physical Activity Using Mobile Health Care, Third, plasma TC(p<.015), TG(p<.003), LDL-C)(p<.000) were significantly decreased after Increase in Physical Activity Using Mobile Health Care and plasma HDL-C (p<.003) were significantly increased. These results suggest that increased physical activity using mobile health care has a positive effect on the body composition and metabolic syndrome index in male office workers. Sedentary lifestyles could be changed by Continuous feedback using mobile healthcare.

Sweating by Exercise Controls Body Temperature through Increase of Interleukin-1beta

  • Bae, Jun-Sang;Shin, Young-Oh;Lee, Jeong-Beom;Seok, Hyun;Min, Young-Ki;Yang, Hun-Mo
    • The Korean Journal of Physiology and Pharmacology
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    • v.10 no.5
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    • pp.231-234
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    • 2006
  • This study was designed to investigate the expression and production of interleukin-1beta $(IL-1{\beta})$ in human peripheral blood of trained runners and untrained controls after temporary moderate intensity exercise. Male long-distance trained runners (TR) and untrained sedentary control subjects (SED) ran for 1 h at 70% of heart rate reserve (HRR). $IL-1{\beta}$ gene and protein expressions were significantly higher in TR than those with SED at all 3 intervals examined independently. Significant increases in total sweat volume and oral temperature were observed after exercise in both groups, however, there were some differences between the groups. We conclude, therefore, that sweating due to exercise is associated with increase of $IL-1{\beta}$ and it is correlated with decrease of oral temperature.

Effects of Exercise on Pasma Glucose and Cholesterol Level in Streptozotocin-induced Diabetic Rats Fed Buckwheat Diet

  • Park, Hyun-Ju;Lee, Kyung-Hea
    • Preventive Nutrition and Food Science
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    • v.2 no.2
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    • pp.149-154
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    • 1997
  • The ability of exercise and buckwheat diet to modify plasma glucose and cholesterol levels in streptozotocin-induced diabetic rats has been studied. Diabetic rats were fed corn starch as a control diet or buckwheat as an experimental diet for 4 weeks. One group of rats were exercise-trained to swim for 60 min/day, 6 days a week. Plasma glucose levels of sedentary rats both on the control diet and on the buckwheat diet were significantly increased from 367.0$\pm$33.6 mg/dl to 545.0$\pm$38.7 mg/dl and from 380.3$\pm$18.9 mg/dl to 540.5$\pm$36.6 mg/dl, respectively. However, this large increase of plasma glucose was not seen in exercised rats on the buckwheat diet (from 345.0$\pm$25.6 mg/dl to 391.4$\pm$34.7 mg/dl). The total plasma cholesterol level was not affected by either diet or exercise. The HDL-cholesterol level tends to increase due to the buckwheat diet or an exercise, but not with a significant increase. Our results suggest that the buckwheat diet is beneficial in lowering the plasma glucose level only when diabetic rats ar exercised.

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Species Composition of Ichthyoplankton off Dokdo in the East Sea (독도 주변해역 부유성 어란과 자치어의 종조성)

  • Shin, Ui Cheol;Yoon, Seokjin;Kim, Jin-Koo;Choi, Gwangho
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.54 no.4
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    • pp.498-507
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    • 2021
  • Ichthyoplankton (fish eggs and larvae) were collected seasonally collected from 2017 to 2019 to clarify whether Dokdo serves as a fish spawning and/or nursery ground. Fish eggs were identified and classified into 16 species. The dominant fish egg species were Engraulis japonicus, Maurolicus japonicus, and Parajulis poecilepterus. Fish larvae were identified and classified into 15 species. The dominant fish larvae species were E. japonicus, M. japonicus, and Sebastes owstoni. A cluster analysis similarity percentages revealed two distinct groupings according to sample location (stations) with E. japonicus and M. japonicus as the main group influencers. E. japonicus was the dominant species off Dokdo. The species diversity and abundance peaked in summer. The diversity index, richness index, and evenness index fluctuated seasonally. There were no predominant species variations among the years. Sedentary species such as P. poecilepterus, Semicossyphus reticulatus, and Glyptocephalus stelleri occurred in the inshore stations. E. japonicus, M. japonicus, and Trachipterus trachypterus occurred in the offshore stations. Our results show these species use Dokdo as spawning and nursery grounds.

Correlation Between Physical Activity Measured by a Wearable Device and Quality of Life in Older Adults

  • Kim, Si-hyun
    • Physical Therapy Korea
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    • v.28 no.4
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    • pp.251-255
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    • 2021
  • Background: Physical activity and quality of life (QOL) influence the health status of older adults. Recently, the use of wearable devices to monitor physical activity has increased. Objects: This study examined the relationship between the amount of physical activity, measured using a wearable device, and QOL among older adults. Methods: In total, 71 older adults (aged ≥ 65 years) were enrolled. The amount of physical activity was measured using a wearable device with a wrist strap, and daily physical activity was classified according to intensity (sedentary, light, moderate, or very active). Self-reported QOL was evaluated using the Short Form 36 (SF-36) questionnaire. Pearson and Spearman correlation analyses were conducted to analyze parametric and non-parametric variables, respectively. The relationship between amount of daily physical activity and SF-36 scores was assessed. Results: The correlation analyses revealed positive correlations between the amount of moderate-intensity and very active physical activity (minutes/day) and SF-36 scores (p < 0.05). Conclusion: Physical activity of at least moderate intensity is associated with better QOL in older adults. Further studies are required to verify the effects of increased physical activity on QOL in older adults.

The Chronic Health Effects of Work-Related Stressors Experienced by Police Communications Workers

  • Perez, Rodolfo A.;Jetelina, Katelyn K.;Reingle Gonzalez, Jennifer M.
    • Safety and Health at Work
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    • v.12 no.3
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    • pp.365-369
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    • 2021
  • Background: Law enforcement communications (i.e., 911 dispatch and call takers) is a challenging and stressful occupation. The purpose of this study is to identify the main stressors associated with employment in law enforcement communications, and to identify and provide context to how these stressors affect workers' health and wellbeing. Methods: This research study included focus groups with 23 call takers and 911 dispatchers employed by a large, urban law enforcement agency in 2018. Thematic analyses were conducted to identify trends. Results: Four themes of stressors emerged (i.e., the high stakes nature of some 911 calls for service, understaffing, supervisor-related stress, and recruiting practice). Two health-related themes emerged as being occupation-related: weight gain and poor sleep patterns/insufficient sleep). Specifically, participants reported negative eating habits resulting in weight gain and obesity, lack of sleep and irregular sleep schedules, and development of hypertension and/or diabetes since beginning their jobs. Conclusion: Law enforcement communications professionals experience a number of the same stressors facing law enforcement officers in patrol. These stressors, combined with the sedentary nature of the job, could result in long-term, chronic health problems.