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Kimberlee A. Gretebeck, Caroline S. Blaum, Tisha Moore, Roger Brown, Andrzej Galecki, Debra Strasburg, Shu Chen and Neil B. Alexander

of acute and long-term health care resources. 2 In addition, loss of muscle mass, impaired balance, and decline in muscle strength and endurance are attributed to the aging process. 3 Comorbidities influence mobility limitations, particularly cardiovascular disease and obesity. 4 Nevertheless

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Johanna Eronen, Mikaela von Bonsdorff, Merja Rantakokko, Erja Portegijs, Anne Viljanen and Taina Rantanen

Life-space mobility describes the extent of community mobility of older persons. The aim of this cross-sectional study was to examine the relationship between socioeconomic status (SES) and life-space mobility and to investigate whether associations might be explained by SES-related disparities in health and functioning. The participants (n = 848) were community-dwelling adults aged 75–90. Education and occupation were used to indicate SES. Life-space assessment (range 0–120) was used to indicate distance and frequency of moving and assistance needed in moving. People with low education had lower life-space mobility scores than those with intermediate or high education: marginal means 63.5, 64.8, and 70.0 (p = .003), respectively. SES-related health disparities, i.e., higher body mass index, poorer cognitive capacity, and poorer physical performance explained the association, rendering it nonsignificant (marginal means 65.2, 65.3, and 67.5, p = .390). Low SES and restricted life-space mobility often coexist with overweight, reduced cognition, and poorer physical performance.

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Bonnie Field, Tom Cochrane, Rachel Davey and Yohannes Kinfu

The aim of this study was to identify determinants of walking and whether walking maintained mobility among women as they transition from their mid-70s to their late 80s. We used 12 years of follow-up data (baseline 1999) from the Australian Longitudinal Study on Women’s Health (n = 10,322). Fifteen determinants of walking were included in the analysis and three indicators of mobility. Longitudinal data analyses techniques were employed. Thirteen of the 15 determinants were significant predictors of walking. Women in their mid-70s who walked up to 1 hr per week were less likely to experience loss of mobility in very old age, including reduced likelihood of using a mobility aid. Hence, older women who do no walking should be encouraged to walk to maintain their mobility and their independence as they age, particularly women in their 70s and 80s who smoke, are overweight, have arthritis, or who have had a recent fall.

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Alyson B. Harding, Nancy W. Glynn, Stephanie A. Studenski, Philippa J. Clarke, Ayushi A. Divecha and Andrea L. Rosso

While mobility is key to functional independence in aging, the influence of the local environment has only recently been included in human aging research ( Cunningham & Michael, 2004 ). In older adults, the capacity to move through the environment (mobility) affects functional independence and

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Katie Thralls Butte and Susan S. Levy

(SUN STS group) or reduce total sitting time (SUN SL group), as well as to examine changes in physical function and mobility, as measured by the Short Physical Performance Battery (SPPB) and 8-foot up and go (UG), respectively, at 6 and 12 weeks. We hypothesized that both SUN groups would

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Clément Theurillat, Ilona Punt, Stéphane Armand, Alice Bonnefoy-Mazure and Lara Allet

sprains. 8 , 9 Quantification of ankle kinematics is an important area for clinicians and researchers. In a clinical setting the ROM is mostly measured with a classical goniometer, which allows the assessment of the joint mobility in 1 single plane. The circumduction movement is complex and the center of

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Yijian Yang, Kimberley S. van Schooten, Heather A. McKay, Joanie Sims-Gould, Raymond A. Hoang and Stephen N. Robinovitch

and cognitive impairments ( Luppa et al., 2009 ; Rockwood, Abeysundera, & Mitnitski, 2007 ), that limit their ability to perform activities of daily living (ADL). Limited ADL may lead to mobility disability (e.g., impairments, activity limitations, and participation restrictions Balboa

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Lotta Palmberg, Erja Portegijs, Taina Rantanen, Eeva Aartolahti, Anne Viljanen, Mirja Hirvensalo and Merja Rantakokko

symptoms ( Rantakokko et al., 2010 ), and accumulation of risk factors including lower socioeconomic status, poorer health and mobility limitations increase the risk for the development of unmet PA need ( Eronen, von Bonsdorff, Rantakokko, & Rantanen, 2012 ). An earlier study showed that older people

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Mohammed M. Althomali and Susan J. Leat

Balance or postural control is a complex motor mechanism receiving input from various systems in the body. Balance is the ability to maintain position, undertake activities and retain good mobility (the ability to move safely and efficiently within the environment without falling). The three main

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Annemarie M.H. de Witte, Monique A.M. Berger, Marco J.M. Hoozemans, Dirkjan H.E.J. Veeger and Lucas H.V. van der Woude

three elements that continuously interact physical performance (athlete capabilities), mobility performance (wheelchair–athlete interaction), and game performance (athlete basketball tactics and skills; de Witte, Hoozemans, Berger, van der Woude, & Veeger, 2016 ). Game performance in wheelchair