Walking speed as a good predictor for maintenance of I‐ADL among the rural community elderly in Japan: A 5‐year follow‐up study from TMIG‐LISA

Suzuki, Takao; Yoshida, Hideyo; Kim, Hunkyung; Yukawa, Harumi; Sugiura, Miho; Furuna, Taketo; Nishizawa, Satoshi; Kumagai, Shinya; Shinkai, Shoji; Ishizaki, Tatsuro; Watanabe, Shuichiro; Shibata, Hiroshi

doi:10.1111/j.1444-0594.2003.00090.x

Cited by 63 publications

(80 citation statements)

References 39 publications

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“…It has been reported that the walking speed of the older population is associated with performance in standardized tests of physical function 13) . Our results indicate that the walking speed is a good performance measure for predicting the decline of IADL among older Japanese women, similar to previous studies 4,5) . However, for male subjects there was only a weak association between the 5-m walking time and decline in instrumental self-maintenance, and no physical performance test was significantly associated with a subsequent decline in intellectual activities or social roles.…”

Section: Discussionsupporting

confidence: 91%

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Usual Walking Speed Predicts Decline of Functional Capacity among Community-Dwelling Older Japanese Women: a 4-year Longitudinal Study

Makizako

Furuna²,

Yoshida

et al. 2010

J Phys Ther Sci

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Abstract. [Purpose] In this study, we examined the physical predictors of the decline of functional capacity among community-dwelling older Japanese individuals.[Methods] A total of 265 Japanese individuals aged 68-96 years participated in a baseline survey and a follow-up 4 years later. In this survey, participants performed tests for grip strength, one-legged standing, and 5-m walking. At baseline and the follow-up survey, we measured functional capacity using the Tokyo Metropolitan Institute of Gerontology Index of Competence (TMIG-IC), which consists of the instrumental self-maintenance scale, the intellectual activity scale, and the social role scale. [Results] There was only a weak association between physical performance and the decline of functional status in men. The 5-m walking time was most sensitive at predicting the future decline of the instrumental self-maintenance scale in women. Even after controlling for age, body mass index, grip strength, and one-legged standing, a slower 5-m walking time (greater than 4.6 sec) indicated an increased risk of future decline in instrumental self-maintenance in women (odds ratio = 5.31, p<0.01).[Conclusions] The usual walking speed is the best performance measure for predicting the decline of instrumental self-maintenance among Japanese older women.

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Section: Discussionsupporting

confidence: 91%

“…For instance, performance measures of lower-extremity function such as walking speed, standing balance and knee-extension strength, are important predictors of subsequent disability in the older population [4][5][6][7][8] . Reduced hand-grip strength is another predictor of disability in older people 9) .…”

Section: Introductionmentioning

confidence: 99%

Usual Walking Speed Predicts Decline of Functional Capacity among Community-Dwelling Older Japanese Women: a 4-year Longitudinal Study

Makizako

Furuna²,

Yoshida

et al. 2010

J Phys Ther Sci

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“…The physical performance test consisted of grip strength and walking speed (Suzuki et al 2003;Studenski et al 2011;Cooper et al 2010). The grip strength of the preferred hand was measured two times using a handheld Smedly-type dynamometer.…”

Section: Subjectsmentioning

confidence: 99%

Plasma heat shock protein 72 as a biomarker of sarcopenia in elderly people

Ogawa

Kim

Shimizu

et al. 2012

Cell Stress and Chaperones

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Sarcopenia is a geriatric syndrome in which there is a decrease of muscle mass and strength with aging. In age-related loss of muscle strength, there are numerous observations supporting the assertion that neural factors mediate muscle strength. A possible contributing cause may be that aging changes systemic extracellular heat shock protein (eHsp)72 activity. The present study was designed to assess the plasma levels of eHsp72 in elderly people and to investigate its potential interaction with components of sarcopenia. A total of 665 men and women participated in an official medical health examination and an integrated health examination, including psychological and physical fitness tests. Blood samples were assayed for levels of plasma Hsp72, serum C-reactive protein, interleukin 6, tumor necrosis factor α, and regular biomedical parameters. We found that higher Hsp72 in plasma is associated with lower muscle mass, weaker grip strength, and slower walking speed, and may be a potential biomarker of sarcopenia in elderly people. This finding was supported by other results in the present study: (1) older age and shrinking body and lower hemoglobin levels, all of which characterize sarcopenia, were related to higher eHsp72 tertiles and (2) the ORs of the highest tertile of eHsp72 for the lowest tertiles of muscle mass, grip strength, and walking speed were 2.7, 2.6, and 1.8, respectively. These ORs were independent of age, sex, and the incidence of related diseases. Our results would reveal that eHsp72 in plasma is linked to sarcopenia factors and is a potential biomarker or predictor of sarcopenia.

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“…Studies of physical function of the elderly are becoming more important [6][7][8][9] . Regarding the evaluation of the physical function of the elderly, diminished capabilities are commonly encountered in hand-grip strength, gait velocity, timed up-and-go (TUG) at a comfortable speed, and one leg standing time with eyes open.…”

Section: Introductionmentioning

confidence: 99%

The Relationship Between Pulmonary Function and Physical Function and Mobility in Community-Dwelling Elderly Women Aged 75 Years or Older

et al. 2011

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Abstract.[Purpose] The purpose of the present study was to evaluate the relationship between pulmonary function and the physical function and mobility of community-dwelling elderly women aged ≥75 years.[Methods] The subjects were 1,022 women aged ≥75 years who were living in an urban environment. We measured their vital capacity (VC) and forced expiratory volume in 1 s (FEV1.0) by spirometry, and assessed their physical function and mobility.[Results] Older women exhibited inferior pulmonary function as well as reduced physical function and mobility. These findings highlight the impact of diminished pulmonary function on physical function in old age.[Conclusions] Women of advanced age have diminished pulmonary function, physical function, and mobility, and diminished pulmonary function is associated with declining physical function. When an examination is required, spirometry should be included as an examination modality for its diagnostic value.

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Walking speed as a good predictor for maintenance of I‐ADL among the rural community elderly in Japan: A 5‐year follow‐up study from TMIG‐LISA

Cited by 63 publications

References 39 publications

Usual Walking Speed Predicts Decline of Functional Capacity among Community-Dwelling Older Japanese Women: a 4-year Longitudinal Study

Usual Walking Speed Predicts Decline of Functional Capacity among Community-Dwelling Older Japanese Women: a 4-year Longitudinal Study

Plasma heat shock protein 72 as a biomarker of sarcopenia in elderly people

The Relationship Between Pulmonary Function and Physical Function and Mobility in Community-Dwelling Elderly Women Aged 75 Years or Older

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