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Stephen Harvey, Chris Rissel and Mirjam Pijnappels

Falls among older adults remain a significant public health issue. Bicycling positively influences falls risk factors including reduced balance, muscle weakness, and low self-perceived confidence in maintaining balance. However, this association has not been systematically examined. We recruited 107 community-dwelling participants aged 65 years and older in the Netherlands to determine the relationship between bicycling and falls risk factors. Participants completed three questionnaires on cycling behavior and balance confidence, and also undertook five falls-related physical performance tasks encompassing tests of balance, strength, gait, and endurance. On average, current bicyclists showed significantly better scores in all physical tasks and confidence compared with nonriders ranging from a 10% difference in 6-m walk time to a 141% difference in single-leg balance time (all ps = .01). Type of bike used and duration of bicycling displayed varied associations (.01 < ps < .79). Our findings suggest that bicycle riding warrants further prospective investigation for fall prevention and active aging.

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Yuko Oguma, Yusuke Osawa, Michiyo Takayama, Yukiko Abe, Shigeho Tanaka, I-Min Lee and Yasumichi Arai

Background:

To date, there is no physical activity (PA) questionnaire with convergent and construct validity for the oldest-old. The aim of the current study was to investigate the validity of questionnaire-assessed PA in comparison with objective measures determined by uniaxial and triaxial accelerometers and physical performance measures in the oldest-old.

Methods:

Participants were 155 elderly (mean age 90 years) who were examined at the university and agreed to wear an accelerometer for 7 days in the 3-year-follow-up survey of the Tokyo Oldest-Old Survey of Total Health. Fifty-nine participants wore a uniaxial and triaxial accelerometer simultaneously. Self-rated walking, exercise, and household PA were measured using a modified Zutphen PA Questionnaire (PAQ). Several physical performance tests were done, and the associations among PAQ, accelerometer-assessed PA, and physical performances were compared by Spearman’s correlation coefficients.

Results:

Significant, low to moderate correlations between PA measures were seen on questionnaire and accelerometer assessments (ρ = 0.19 to 0.34). Questionnaireassessed PA measure were correlated with a range of lower extremity performance (ρ = 0.21 to 0.29).

Conclusions:

This PAQ demonstrated convergent and construct validity. Our findings suggest that the PAQ can reasonably be used in this oldest-old population to rank their PA level.

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Sabrine N. Costa, Edgar R. Vieira and Paulo C. B. Bento

center (H+CB) on frailty status, strength, physical function, and gait of prefrail older women. Methods Study Design The study was conducted in the Center for Motor Behavior Studies at the Federal University of Paraná, Brazil, between February 2017 and August 2017. All pre- and postoutcomes measures were

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Katie J. Thralls and Susan S. Levy

-Figuls, Coll-Planas, Sitia-Rabert, & Salva, 2014 ). Rikli and Jones ( 1999 ) developed Senior Fitness Tests (SFT) that are validated, objective measures of physical functions needed for ADLs. Recently, criterion-referenced fitness standards for maintenance of physical independence for each SFT of physical

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David Geard, Amanda L. Rebar, Peter Reaburn and Rylee A. Dionigi

, psychological, cognitive, and social functioning over time is in short supply or absent ( Donato et al., 2003 ; Wiswell et al., 2001 ). However, cross-sectional data is useful and regularly utilized to investigate the relationship between masters athletes’ age and physical functioning ( Tanaka & Seals, 2003

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Daniël M. van Leeuwen, Fabian van de Bunt, Cornelis J. de Ruiter, Natasja M. van Schoor, Dorly J.H. Deeg and Kaj S. Emanuel

.I. , Russo , A. , … Landi , F. ( 2008 ). Physical function and self-rated health status as predictors of mortality: results from longitudinal analysis in the ilSIRENTE study . BMC Geriatrics, 8 , 34 . 19102751 10.1186/1471-2318-8-34 Crapo , R.O. , Casaburi , R. , Coates , A.L. , Enright , P

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Margaret Delaney, Meghan Warren, Brian Kinslow, Hendrik de Heer and Kathleen Ganley

29,902 participants completed the questionnaires and examinations during the 2011–2016 period. Participants who refused or who had missing data from any survey (including demographics, physical activity, physical function, or other health conditions) were excluded. The present study included

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Kenneth C. Lam and Jessica G. Markbreiter

PedsQL scores (Table  2 ). Main effects of injury history were reported with the HIS group reporting significantly lower scores than the NO-HIS group for the Pedi-IKDC total score (HIS = 79.2 [21.7], NO-HIS = 95.8 [8.6]) and PedsQL total (HIS = 85.7 [10.9], NO-HIS = 90.9 [7.3]); physical functioning (HIS

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Anna Lina Rahlf, Klaus-Michael Braumann and Astrid Zech

function were measured by the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). The questionnaire included 24 questions, divided in 3 subscales: pain, stiffness, and physical function. It was answered by a validated 10 points rating scale. 29 All items were answered retrospectively

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Diana Castaneda-Gameros, Sabi Redwood and Janice L. Thompson

PA recommendations; and 3) perceived role of PA in maintaining physical function. Since different translators were used depending on the participants’ language needs, they were instructed to discuss PA in terms of any activity participants engaged in, from housework, to general walking, and formal