[Purpose] Sarcopenia is considered one of the major causes of disability in the elderly population and is highly associated with aging. Exercise is an essential strategy for improving muscle health while aging and involves multiple metabolic and transcriptional adaptations. Although the beneficial effects of exercise modalities on skeletal muscle structure and function in aging are well recognized, the exact cellular and molecular mechanisms underlying the influence of exercise have not been fully elucidated. [Methods] We summarize the biochemical pathways involved in the progression and pathogenesis of sarcopenia and describe the beneficial effects of exercise training on the relevant signaling pathways associated with sarcopenia. [Results] This study briefly introduces current knowledge on the signaling pathways involved in the development of sarcopenia, effects of aerobic exercise on mitochondria-related parameters and mitochondrial function, and role of resistance exercise in the regulation of muscle protein synthesis against sarcopenia. [Conclusion] This review suggested that the beneficial effects of exercise are still under-explored, and accelerated research will help develop better modalities for the prevention, management, and treatment of sarcopenia.
Purpose: The objective of this study were to examine the determinants of self-rated health, specially focused on the effect of functional capacity of community dwelling sedentary older adults on self-rated health. Method: The data has been collected from 654 community-dwelling sedentary older adults (mean age: 75 years) during the period from April to June in 2007. The data were collected by the in-person interview and direct measurement of functional capacity. The data were analyzed using chi-square test and multiple regression analysis with the SPSS 9.1 program. Result: The elderly rated their health as very good (3%), good (28%), fair (38%), poor (29%0, and very poor (2%). The higher average daily walk minutes ($\beta$=0.12, p<.01), number of chair stand ($\beta$=0.10, p<.05), scores of self-efficacy ($\beta$=0.16, p<.001) and the lower number of disease ($\beta$=-0.44, p<.001) show better self-rated health. Conclusion: Self-rated health is the most commonly used indicators in social epidemiology and geriatric research because it has been known as the good predictor of mortality and reflects health related disability. The finding suggested that daily walking habits, lower body strength, physical self-efficacy should be considered to improve the senior's self-perception of health. The community-based intervention associate increase these factors should be considered.
Objectives: The aim of this study is to identify major factors associated with physical functioning among the Korean elderly. Methods: Data come from a survey of a nationally representative sample of 2,058 older people aged 60 years or elder living in the community. A hierarchical functioning scale was constructed, using upper and lower body mobility, IADLs, and ADLs. Socioeconomic characteristics, chronic conditions, measures of health status, health service use, and social support were analyzed to explore their influence on functioning. Polytomous logistic regression analysis was conducted to identify major contributing factors to different levels of functioning. Results: Persons of older age, female, with chronic diseases (heart disease, stroke, fracture/dislocation) were consistently more likely to show a higher degree of functional limitation. There were variations, however, among other factors; e.g., those with arthritis were more likely to be only mildly impaired, but not moderately or severely impaired. Conclusions: Older Korean adults living in the community with impaired functioning constitute persons with diverse characteristics. Policy and program activities need to address specific needs of older people in different functioning states.
Purpose: The purpose of this study is to develop and evaluate a joint health self-management program for knee osteoarthritis elders in communities. Methods: This program was developed based on the IMB (information-motivationbehavioral skills) model. The program methods include education, setting and achieving goals, sharing experiences, telephone counseling, and self-monitoring. The topics of the program include joint assessment, exercise, massage, joint protection, medication, depression management, diet, and healthcare approach. The research was conducted following the principles of the nonequivalent control group pretest-posttest design. Participants were 26 subjects in the experimental group, and 27 subjects in the control group. The experimental group participated in the self-management program, and the control group received general education. Results: Both post-test scores of personal motivation, social motivation, behavior skill, self-management behavior, joint pain, joint stiffness, physical function disability, right knee extension, left knee extension, and depression were significantly different between the experimental group and the control group. Conclusion: The results of the study can be used to develop and standardize a systematic joint health self-management program. Further research is highly recommended to develop a strategy to continuously facilitate self-management of osteoarthritis patients' procedures.
Hong, Jong-Hwan;Han, Moon-Soo;Lee, Seul-Kee;Lee, Jung-Kil;Moon, Bong Ju
Journal of Korean Neurosurgical Society
/
v.63
no.5
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pp.623-630
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2020
Objective : A primary degenerative sagittal imbalance has been considered because of unique lifestyles such as the prolonged crouched posture during agricultural work and performing activities of daily living on the floor. Previous papers have reported that sagittal imbalance disease is often seen distinctly in the farming districts of "oriental" countries such as Korea and Japan. However, this finding was only evaluated with the use of X-ray, and other factors such as magnetic resonance imaging (MRI), muscle volume, compression fracture, and laboratory results were not considered. Thus, using these, we evaluate the agricultural work-associated factors for Korean elderly spinal sagittal imbalance. Methods : We recruited 103 Korean participants who had a sagittal vertical axis (SVA) of >5 cm in this Korean Elderly Sagittal Imbalance Cohort Study. The following were evaluated : radiological parameters, MRI, compression fracture, vitamin D, parathyroid hormone, C-terminal telopeptide, osteocalcin, bone mineral density and muscle fatty change, muscle volume, and health-related quality of life from patients' survey. Moreover, in this survey, the farmers' annual working hours were investigated. Subsequently, we analyzed the associated factors for spinal sagittal imbalance depending on occupation. Results : A total of 46 participants were farmers, and the others were housewives, sellers, and office workers. The farmer group had more SVA (141 vs. 99 mm, p=0.001) and pelvic tilt (31° vs. 24°, p=0.004) and lesser lumbar lordosis (20° vs. 30°, p=0.009) and thoracic kyphosis (24° vs. 33°, p=0.03) than non-farmer group. A significantly positive correlation was noted between the working hour and SVA in the farmer group (p=0.014). The visual analogue scale score for back pain (8.26 vs. 6.96, p=0.008) and Oswestry Disability Index (23.5 vs. 19.1, p=0.003) in the farmer group were higher than that in the non-farmer group, but the Short Form-36 score was not significantly different between the two groups. The Mini-Mental State Exam score was significantly lower in the farmer group than in the non-farmer group (24.85 vs. 26.98, p=0.002). Conclusion : The farmer group had more sagittal imbalance and back pain in proportion to the working hours even though the muscle and bone factors and general laboratory condition were not significantly different between the two groups. These results supported that the long hours spent in the crouched posture while performing agricultural work were a risk factor for severe sagittal imbalance.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.10
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pp.569-581
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2016
The purpose of this study was to determine factors affecting self-rated health status among the elderly in urban areas. The study subjects were 390 persons aged 65 years and older who had lived more than 5 years in D city. Interviews from the questionnaire were conducted from June through August 2016. The distribution of self-rated health status was rated in terms of dependent variables, with odds ratios and their 95% confidence intervals calculated using unconditional logistic models. As a result, 67.2% of the study subjects answered that they were healthy, whereas 32.8% were unhealthy. In the logistic regression analysis, disability and lowered IADL greatly lowered self-rated health status. The group without an occupation, living expenses from governmental subsidies, frequency of relative contents is seldom, anxiety is high, subjective sleep quality is low, satisfaction of daily life is low, had low levels of self-rated health status. Above results suggest that the self-rated health status of the elderly in urban areas is closely related to sociodemographic characteristics, physical health status, social activity participation, and psychosocial factors.
The purpose of this study is to analyze the effectiveness and efficiency of social security benefits to poverty alleviation. To this end, this study analyzed the poverty alleviation effect of public pension, basic pension, child-rearing allowance, disability allowance, basic living security subsidy, EITC, and other government subsidies using 2019 Household Financial Welfare Survey. The analysis results are as follows. First, social security benefits lowered the poverty rate by 6.8%p. Second, in terms of the poverty gap reduction effect, the public pension for the elderly male households, the basic pension for the elderly female householder, and the basic guarantee for the working female householder contributed the most. Finally, in terms of poverty alleviation efficiency, about 33% of social security benefits contribute to narrowing the poverty gap. Social security benefits for female heads of households were found to serve as a function of alleviating poverty gap and for male heads of households to supplement household income. Based on these results, this study suggested the discovery of various poverty states, expansion of basic security for the female elderly, and the connection between the purpose of social security benefits and key targets.
The purpose of this study is to analyze the trend of exercise intervention applying various devices to increase the physical activity of the disabled, and to suggest the exercise intervention using converged devices that meet the needs of the times due to the increase of elderly people with disabilities. Exercise intervention using converged devices applicable to the disabled is divided into two types: first, exercise intervention using virtual reality-based gamification, and second, exercise intervention based on wearable devices of wearable or body-attached such as bands and watches. For exercise intervention using converged devices that can be enjoyed by the elderly with disability, minimize of environmental limitations, and easy to personalize, there is a need for configuration requirements such as easy operation and simple rules of operation, easy device installation and wearing, a trainer who can complement immature device utilization. In order to maintain and improve the daily living performance of the elderly with disabilities who experience a significant decrease in their cognitive and physical functions, it is necessary to use a physical activity game that can be experienced and can be interested in everyday life or a variety of devices to increase the amount of physical activity.
This study was to examine the differential impacts of social experiences and conditions on health among men and women aged 65 years or older, using data of the "2004 Survey on living Status of the Korean Elderly". The outcome variables were any disability, self-rated health, multiple morbidity, and self-rated quality of life. Multiple Classification Analysis was used to test the differential exposure to social factors contributes to gender difference in health. Gender differences in vulnerability of each individual socioeconomic, psycho-social, and behavioral factors for health were assessed by comparing logit coefficients in men and women. I found that gender difference in exposure to social factors contribute to inequalities in health between older men and women, however, gender inequalities remained after controlling for differential exposure except in case of quality of life. In addition, gender differences in health were further explained by differential vulnerabilities to social factors between men and women. Findings of this study may affirm the importance of further and deeper investigation of gender differences in health in later life. Gender sensitive approach in health planning and polices for the elderly is also suggested.
Journal of the Korean Association of Oral and Maxillofacial Surgeons
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v.34
no.2
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pp.187-195
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2008
Purpose: This epidemiologic research was carried out to investigate the degree and aspects of symptoms of patients suffered from TMD using RDC/TMD. Subjects and Methods: Subjects were the patients who had visited to SNUBH dental clinic from Jan. 2005 to Dec. 2005, and total 117 patients were included (M: 22, F:95). The signs and symptoms of physical, psychological and behavioral factors were retrospectively evaluated by questionnaires in the RDC/TMD. The patients were examined through clinical and radiological method, and diagnosed by same investigator. They were divided into 3 groups such as osteoarthritis group (group 1), internal deragnement (group 2), myofascial pain dysfunction syndrome group (MPDS, group 3). In addition, in patient with complex diagnosis they were divided into subgroups in detail (ex. group 1+group 2). In the questionnaire, several items were selected to calculate the graded pain score (grade $0{\sim}IV$), depression and vegetative symptoms, nonspecific physical symptoms(pain items included) and nonspecific physical symptoms(pain items excluded) in each group. Results: As a result of classification by diagnostic criteria of this study, the patients were distributed to 45% of group 1, 47% of group 2, 8% of group 3 in this study. In younger patients (under 25-year old, n=40), group 2 was occupied 57% (n=23) and group 1 was 35%, group 3 was 8%, while group 1 was occupied 75% in elderly-patients (over 40-year old, n=28) in present study (group 2: 21%, group 3: 4%). In the analysis of depression and vegetative symptoms, majority of patients in Group 2 were included in 'normal', and in Group 3 it appeared to have larger proportion of 'moderate' & 'severe' than others. According to nonspecific physical symptoms, there have been tendencies of higher ratio of 'severe' in patients with MPDS. In graded pain score, more than half (58%) of subjects were included in grade 0 and low disability (Grade I and II), and 27% were revealed high disability (grade III, IV).
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