Life‐Space Mobility in Mexican Americans Aged 75 and Older

snih, Soham Al Snih al; Peek, Kristen; Sawyer, Patricia; Markides, Kyriakos S.; Allman, Richard M.; Ottenbacher, Kenneth J.

doi:10.1111/j.1532-5415.2011.03822.x

Cited by 77 publications

(85 citation statements)

References 22 publications

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“…It has been suggested that community mobility is affected by a decrease of muscular strength in older aging [10,9]. In our study, aGS was not associated with community mobility restriction for our specific population.…”

Section: Discussioncontrasting

confidence: 48%

“…This loss of muscle strength is recognized as a risk factor for aged-related disability [2], mortality [3], mobility limitation [4][5][6] and cardiovascular disease [7] and is used as a prognostic indicator of functional impairments in older adults [8]. Previous literature has also presented links between community mobility and composite scores of upper and lower extremity muscle strength in aging individuals [9,10]. Currently, the National Institute of health (NIH) classifies older women as dynapenic if absolute grip strength (aGS) is < 19.9 kg [11].…”

Section: Introductionmentioning

confidence: 99%

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Is a decrease of grip strength associated with community mobility restriction in dynapenic older women?

Blamoutier¹,

Boissy

Brière³

et al. 2018

JCSM Clinical Reports

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Aims Absolute grip strength (aGS) measures are not only used to detect dynapenia, but can also provide a robust indicator of functional impairments such as mobility limitations. Mobility limitations can impact community mobility. The main objective of this study was to investigate whether dynapenia status measured with aGS can be used as a predictor of the level of community mobility measured by Global Positioning System (GPS) and the Life-Space Assessment questionnaire (LSA) in healthy older adults. It has been shown that body weight related grip strength (GS/BW) is also a clinical predictor of functional limitation. The secondary objective of the study was to assess the relationship between the community mobility and the GS/BW. Method and resultsThe population studied (n=62) was composed of a dynapenic group of women (aged 66.4 ± 4.8) according to an aGS threshold of ≤ 19.9kg and an age-matched group of women (aged 66.1 ± 5.2) with no detectable dynapenia. Clinical and laboratory evaluations were conducted to measure functional capacity tests, body composition and respiratory capacity. Body weigth related to grip strength (GS/BW) was computed. During 12 days, each participant wore a GPS receiver unit with a data logging =-.67) compared system during waking hours. Transit distance in vehicle per day, Transit distance on foot per day and Ellipse area were extracted from the time series of GPS data (longitude, latitude) collected at 1 Hz. The Life space was assessed using a questionnaire. A Wilcoxon test was used to compare the 2 groups for the community mobility measures. Then, data of the 2 groups were pooled to assess the relationship between GS/BW and community mobility measures. A Spearman correlation was used. The dynapenic group had indeed lower aGS (z=-5.3, p≤.05, r=-.67) and GS/BW (z=-5.3, p≤.05, r=-.67)compared to the non-dynapenic group. Furthermore, we found a lower performance to the step test (z=-2.5, p=.011, r=-.32) and lower walking speed (z=-2.1, p=033, r=-.27) for the dynapenic group. However, no significant differences (Wilcoxon signed-ranks test) were found for community mobility measures with the GPS and the LSA between the two groups. There were significant positive relationships between the GS/BW and one leg stand test (r=.353, p=0.005), step test (r=.409, p=0.001) and walking speed (r=.428, p=0.001). No significant relationship (Spearman correlation test) was found for the GS/BW and community mobility measures with the GPS and the LSA. ConclusionsThis study confirms that aGS and GS/BW are good indicators of mobility limitations measured with clinical and laboratory evaluations. However, grip strength alone should not be considered as an indicator of community mobility restriction in an older adult dynapenic population.

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Section: Discussioncontrasting

confidence: 48%

Section: Introductionmentioning

confidence: 99%

Is a decrease of grip strength associated with community mobility restriction in dynapenic older women?

Blamoutier¹,

Boissy

Brière³

et al. 2018

JCSM Clinical Reports

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“…The association between life-space mobility and socioeconomic status has been investigated in some studies. In a study among older Mexican Americans, more than 12 years of education was associated with higher life-space mobility scores, indicating less restricted life-space mobility (Al Snih et al 2012). Another study conducted in Latin America showed that more limited life-space mobility was associated with lower education and insufficient income (Curcio et al 2013).…”

Section: Life-space Mobilitymentioning

confidence: 96%

Barriers to outdoor physical activity and unmet physical activity need in older adults

Eronen

Bonsdorff

Törmäkangas

et al. 2014

Preventive Medicine

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Physical activity is a basic need, also in old age. However, many older people cannot fulfil this need, often due to walking limitations causing imbalance in person-environment fit. Decreased physical activity can lead to unmet physical activity need and restriction on life-space mobility. The opportunities to remain physically active depend on various factors, not all of which are equally achievable for all older adults. The aim was to investigate disparities in physical activity among older community-dwelling people, with a focus on functioning, environmental barriers and facilitators, and socioeconomic status (SES).The data were drawn from two studies conducted in Central Finland: Screening and Counseling for Physical Activity and Mobility (632 participants, 75% women, mean age 77.6) and Life-Space Mobility in Old Age (848 participants, 62% women, mean age 80.1). Walking limitations, SES, social support, environmental facilitators for outdoor walking and barriers to outdoor physical activity were self-reported. The outcome measures were unmet physical activity need, walking limitation and life-space mobility.Five outdoor physical activity barrier profiles were identified, in which people differed in health and functioning and vulnerability to the challenges of the environment. A higher number of environmental facilitators decreased the risk for walking limitation. The risk for unmet physical activity need increased along with the number of individual and environmental outdoor physical activity barriers, but was highest among people whose poor health and functioning hindered them from going outdoors. Low SES was associated with more restricted life-space mobility and unmet physical activity need, especially among persons with walking limitations.Disparities in physical activity can be traced back to various individual, social and environmental factors. The importance of the environment for physical activity is considerable especially among older people with walking limitations. Keywords ACKNOWLEDGEMENTSThis study was carried out at the Gerontology Research Center, Department of Health Sciences, University of Jyväskylä, Finland. My deepest gratitude goes to the supervisors of this thesis, Professor Taina Rantanen and Mikaela von Bonsdorff, PhD. Taina, I can't stop wondering how you always have solutions to the most complex problems and answers to even the trickiest questions. I highly value your knowledge and experience in the field of gerontology and feel proud that I have been able to conduct my PhD thesis under your supervision. Mikaela, thank you for always having time for me and my questions, especially during the first year of my PhD studies. I admire your enthusiasm towards research and appreciate the guidance and advice that you have given me. I feel that we have become friends during these years. I sincerely thank Professor Teppo Kröger for his interest and supportive comments on this work. I also want to thank Research Director Katja Kokko at the Gerontology Research Center, and Director of t...

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“…Besides higher age, functional limitations have consistently been correlated with lower life-space mobility. Also, female sex, lower education and income, depressive symptoms, cognitive decline, and transportation problems are associated with life-space restriction [4][5][6][7]. Higher life-space mobility has been associated with sense of autonomy [8], extraverted personality, social activity, and orienting more toward the future instead of only the present day [4].…”

Section: Introductionmentioning

confidence: 99%

Personal goals and changes in life-space mobility among older people

Saajanaho

Rantakokko

Portegijs

et al. 2015

Preventive Medicine

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Mobility in Old Age study (LISPE), which was conducted between 2012 and 2014, the participants responded to the Life-Space Assessment and Personal Project Analysis in addition to questions on socio-demographics and health. Data were analyzed using generalized estimation equation models. The results showed that goals indicating a desire to be active in daily life, to stay mentally alert, and to exercise were associated with higher lifespace mobility, and that the associations remained over the follow-up years. Goals related to maintaining functioning predicted higher life-space mobility at the two-year follow-up. In contrast, goals reflecting improvement of poor physical functioning predicted lower lifespace mobility. The results remained significant even when adjusted for indicators of health and functioning. This study indicates that supporting older people in striving for relevant personal goals in their lives might contribute to a larger life-space and thus also to improved quality of life in old age.

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Life‐Space Mobility in Mexican Americans Aged 75 and Older

Cited by 77 publications

References 22 publications

Is a decrease of grip strength associated with community mobility restriction in dynapenic older women?

Is a decrease of grip strength associated with community mobility restriction in dynapenic older women?

Barriers to outdoor physical activity and unmet physical activity need in older adults

Personal goals and changes in life-space mobility among older people

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