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1.
Article in English | WPRIM | ID: wpr-376268

ABSTRACT

Physical performance measures, such as gait speed, one-legged stance and hand-grip strength, are known as assessment measures of motor function and predictors for adverse health outcomes, and widely used for assessing motor function in preventive programs for long-term care or screening of frail elderly. However, there is no standard assessment sheet for feedback of the results. In the present study, an assessment sheet on physical performance measures for community-dwelling older adults was developed. A pooled analysis of data from six cohort studies, including urban and rural areas was conducted as part of the Tokyo Metropolitan Institute of Gerontology Longitudinal Interdisciplinary Study on Aging. The pooled analysis included cross-sectional data from 4683 nondisabled, community-dwelling adults aged 65 years or older. Quintiles were derived according to age and sex group for six physical performance measures, i.e., hand-grip strength, one-legged stance, and gait speed and step length at both usual and maximum paces. The assessment sheets, which indicated the physical performance level according to age and sex, were developed by fitting third order polynomial curves to the data. The reference values in the present assessment sheet were considered to be derived from better represented community-dwelling older adults by using more large-scale population-based cohort data than that in the previous study. The assessment sheet should be useful for feeding back results on physical performance measures to elderly individuals and help them better understand their own physical performance levels.

2.
Article in Japanese | WPRIM | ID: wpr-362325

ABSTRACT

This study was conducted to examine the prevalence of undernourished elderly in community-dwelling elderly people, and to analyze the correlation between under-nutritional status and health status and physical fitness of the elderly.The subjects comprised 1758 residents (757 men and 1001 women) aged 70 or over living in Itabashi-ku, Tokyo, who took part in an interview and biochemical blood examination as part of the “OTASHA-KENSHIN”. In this study, we set the ‘under-nutrition group’ as serum albumin level ≤ 3.8 g/dL (normal group serum albumin level ≥ 3.9 g/dL). Based on this standard, 124 subjects (72 men and 52 women) were found to be undernourished. Physical fitness was measured by handgrip strength, knee extension power, and walking capability (usual and maximal walking speed).The prevalence of undernourished elderly was significantly higher in men than in women, and in those living alone or with a spouse compared with those living with children. It became clear that the lifestyle and health status of the under-nutrition group was generally poor compared with those of the normal group. Handgrip strength and knee extension power were significantly lower in the under-nutrition group than in the normal group of men. Although usual and maximal walking speed tended to be lower in the under-nutrition group, there was no significant difference. In women, a significant difference in handgrip strength, knee extension power, and walking capability was not seen between the two groups.These results suggest that an intervention program for the undernourished elderly living in the community should target an improvement not only of nutrition but also of physical fitness.

3.
Article in Japanese | WPRIM | ID: wpr-362343

ABSTRACT

Background: High heart rate (HR) has been associated with an increased risk of cardiovascular disease and mortality due to all causes. The present study was conducted to examine the effect of exercise adherence on longitudinal changes in resting heart rate among a population of community-dwelling elderly.Methods: The subjects were 133 men and 209 women aged 65 and older who participated in a baseline survey in August 1992 and were subsequently followed annually for 8 years. Resting HR was measured in the sitting position. The independent variable was the longitudinal change in differences of HR (Δ) from 1996 to 2000. Dependent variables were age, heart rate, smoking habit, TMIG index of competence score, and states of exercise adherence during the period 1992-1996.Results: Multiple regression analysis showed that heart rate in 1996 and smoking in men, and heart rate, TMIG index of competence score, and exercise adherence during the period 1992-1996 in women were significantly associated with longitudinal change in HR.Conclusion: Exercise adherence reduced the increase in HR of elderly women. These results suggest the importance of exercise adherence in elderly women.

4.
Article in Japanese | WPRIM | ID: wpr-372611

ABSTRACT

The attack of Raynaud's phenomenon (RP) is characterized by finger blanching in response to cold or emotional stimuli.<br>To clarify the relationship between the attack of RP and air temperature, certain inhabitants of mountain village “T” (N<sub>1</sub>=23) who had primary RP (PRP) were observed every day from August 20, 1990 to May 31, 1991 and those in town “K” (N<sub>2</sub>=20) were observed from November 1, 1990 to May 31, 1991. One hundred and sixty-seven attacks of RP among 6 subjects in T Village and 89 attacks among 8 subjects in K Town were observed.<br>In T Village, the frequency of attacks was high in the morning, and the minimum and mean air temperatures in the days when some of the subjects had attacks (“attack days”) were significantly lower than those in the days when there was no attack on any subject (“non-attack days”). In K Town the frequency of attacks was high both in the morning and in the evening. In addition, the, mean and maximum air temperatures on the “attack days” were significantly lower than those on the “non-attack days.” The threshold temperature to cause RP attacks differed from one subject to another (5.2 to 17.6°C) in K Town during the period from November through February. The minimum air temperature which caused an attack of RP on any subject in T Village from August 20 to December 31 was 17.8°C.<br>These results suggest that cooling of the whole body in daily life promotes the onset of attacks of RP. When the minimum air temperature becomes lower than 18°C from autumn to winter, the whole body must be protected against cold to prevent the onset of RP.

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