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Mauro F.F. Mediano, Jerome L. Fleg, Amal A. Wanigatunga, Tatiana R. Gonçalves, Pablo Martinez-Amezcua, Moyses Szklo, Eleanor M. Simonsick, Luigi Ferrucci, and Jennifer A. Schrack

Although physical activity (PA) is an important determinant of exercise capacity, the association between these constructs is modest. The authors investigated the associations of self-reported and objectively measured PA with maximal and submaximal tests of exercise capacity. Participants aged ≥40 years (N = 413; 49.6% female) completed a PA questionnaire, wore a uniaxial accelerometer (5.2 ± 1.1 days), and performed maximal (cardiopulmonary exercise test [CPET]) and submaximal (long-distance corridor walk) tests with indirect calorimetry (oxygen consumption, V˙O2). Linear regression models were fitted to assess the variation in exercise capacity explained (partial eta squared, η2) by PA variables. Accelerometer-measured vigorous (η2 = 22% female; η2 = 16% male) and total PA (η2 = 17% female; η2 = 13% male) explained the most variance in CPET V˙O2 (p < .001). All η2 values were lower for long-distance corridor walk V˙O22 ≤ 11%). Age contributed more to CPET V˙O2 than any PA variable in males (η2 = 32%), but not in females (η2 = 19%). Vigorous and total PA play important roles in CPET V˙O2 in mid to late life.

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Margaret J.R. Gidgup, Marion Kickett, Tammy Weselman, Keith Hill, Julieann Coombes, Rebecca Ivers, Nicole Bowser, Vilma Palacios, and Anne-Marie Hill

The objective of this qualitative systematic review was to synthesize all evidence to understand the barriers and enablers to older Indigenous peoples (aged 40 years and older) engaging in physical activity. Four databases were searched. Study quality was assessed from an Indigenous perspective, using an Aboriginal and Torres Strait Islander quality appraisal tool. Data were analyzed using thematic synthesis. There were 4,246 articles screened with 23 articles and one report included from over 30 Indigenous communities across four countries. Cultural Safety and Security was a key enabler, including developing physical activity programs which are led by Indigenous communities and preference Indigenous values. Colonization was a key barrier that created mistrust and uncertainty. Social Determinants of Health, including cost, were supported by successful programs, but if not addressed, were demotivators of engagement. Older Indigenous peoples identified barriers and enablers that can direct the development of sustainable, culturally appropriate physical activity programs.

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Carly Litchfield, Denise M. Connelly, Melissa E. Hay, and Elizabeth Anne Kinsella

This research examined the lived experience of older adult Alpine skiers in their continued participation in competitive ski racing. The aim was to gain an understanding of the meaning of the experiences for older adults as they continued to compete in Alpine ski racing. Masters skiers between the ages of 69 and 82 years participated in individual interviews. Data collection and analysis were iterative processes informed by phenomenological methods and visual mind mapping. The overarching theme identified in participants’ accounts was the significance of the identity of “Beinga Ski Racer. Supporting subthemes were Enjoying the Feeling of Ski Racing, Adapting in the Sport, and Skiing as a Lifestyle. These insights offer the opportunity to encourage and support the holistic experiences of older adults who maintain their athletic identity as they age. This research highlights how inclusion of older adults’ stories may foster critical reflexivity and challenge assumptions about aging.

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Renata Valle Pedroso, Miguel Adriano Sanchez-Lastra, Laura Iglesias Comesaña, and Carlos Ayán

Background: Exercise performed at home could be a useful therapy for people with chronic kidney disease. This systematic review and meta-analysis aimed at describing the characteristics, main findings, methodological quality, and adherence rate reported in the existent randomized controlled trials that have provided information regarding the impact of home-based exercise programs on people with chronic kidney disease. Methods: Electronic databases (MEDLINE/PubMed, SPORTDiscus, Scopus, and CENTRAL) were searched up to April 2021, using the keywords: “Exercise”; “Home”; “Kidney Disease.” Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement was adopted. Jadad scale and Cochrane’s tool were used to assess the methodological quality and risk of bias. Results: Out of the 14 studies finally selected, 11 were included in the meta-analysis and most presented high methodological quality. The meta-analysis showed significant effects of home-based exercise on fitness and quality of life, but a little impact on renal function. Although exercise performed at home was mostly feasible and safe, adherence was not high and a considerable number of dropouts were observed. Conclusion: Home-based exercise has positive effects on the fitness’ level and on the quality of life on people with chronic kidney disease. Future studies are needed to identify whether exercise performed at home is a better physical therapy option than center-based exercise.

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Jaqueline Mello Porto, Renato Campos Freire Júnior, Luana Letícia Capato, Sállua Berlanga Spilla, Ana Paula Midori Nakaishi, Elisa Braz e Silva, Andrea Fernanda Forestieri Faccio, and Daniela Cristina Carvalho de Abreu

The objective was to investigate the association between rate of torque development (RTD) and torque steadiness (TS) of the lower limb and the occurrence of prospective falls in community-dwelling older adults without falls in the previous year. One hundred older adults performed the tests to obtain the RTD and TS of the hip, knee, and ankle. New episodes of falls were monitored through telephone contact for a prospective period of 12 months. The association of RTD and TS with the occurrence of prospective falls was verified by multiple logistic regression adjusted for confounding variables. There was no association between RTD of hip, knee, and ankle and prospective falls. Only the TS at 50% of the peak torque of the hip flexors was associated with the occurrence of future falls (p = .023). Identifying modifiable risk factors for the first fall in older adults is essential for the development of adequate prevention programs.

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Zoe Yu Shiu, Kim Delbaere, and Kimberley S. van Schooten

Concerns about falling (CAF) affect daily life activities in older people; however, it is unclear whether gender moderates this relationship. The authors investigated the cross-sectional relationship between CAF and objectively measured physical activity (PA) and gait quality in 503 community-dwelling older men and women. About 448 people (age = 76.2 [SD 7.9] years, 296 females) contributed sufficient data on movement intensity, activity duration (bouts of walking, sitting, and standing), number of transitions between activities (sit-to-stand and sit-to-walk), number of steps and gait quality, quantified as walking speed, and sample entropy. Associations with the Iconographical Falls Efficacy Scale were tested. The authors found no significant moderation by gender. However, women participated in less PA than men and showed a more irregular walking pattern. Higher levels of CAF led to lower PA and poorer gait quality. Our findings suggest that prevention of CAF-related PA avoidance may be particularly important for women, who are less active and at higher risk of falls.

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Maria Priscila Wermelinger Ávila, Jimilly Caputo Corrêa, Alessandra Lamas Granero Lucchetti, and Giancarlo Lucchetti

The aim of this study was to longitudinally investigate the association between resilience and mental health in older adults and to determine the influence of physical activity on this relationship. A total of 291 older adults were included in a 2-year follow-up study. Adjusted linear regression models evaluated the association between resilience at baseline and mental health after 2 years in sufficiently and insufficiently physically active older adults. A negative correlation was found between resilience at baseline and depression, anxiety, and stress after 2 years for the overall sample. This association changed after stratifying the group. Sufficiently physically active individuals made greater use of the resilience components “Self-Sufficiency” and “Perseverance,” whereas insufficiently physically active individuals made greater use of “Meaning of Life” and “Existential Singularity.” Physical activity can influence the relationship between resilience and mental health. These results can help guide the devising of more effective interventions for this age group.

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Heather A. McKay, Lindsay Nettlefold, Joanie Sims-Gould, Heather M. Macdonald, Karim M. Khan, and Adrian Bauman

Background: Choose to Move is one of few scaled-up health-promoting interventions for older adults. The authors evaluated whether Choose to Move participants maintained their intervention-related gains in physical activity (PA), mobility, and social connectedness 12 months after the intervention ended. Methods: The authors assessed PA, mobility, loneliness, social isolation, and muscle strength via questionnaire and objective measures in 235 older adults at 0 months (baseline), 6 months (end of intervention), and 18 months (12-months postintervention). The authors fitted linear mixed models to examine the change in each outcome from 6 to 18 months (primary objective) and 0 to 18 months (secondary objective) and reported by age group (60–74 and ≥75 y). Results: In younger participants, PA decreased between 6 and 18 months, but remained significantly higher than at baseline. Intervention-related benefits in loneliness, social isolation, mobility, and muscle strength were maintained between 6 and 18 months in the younger participants. Older participants maintained their intervention benefits in loneliness, mobility, and muscle strength. When compared with baseline values, PA levels in older participants were unchanged, whereas social isolation increased. Conclusions: Older adults maintained some, but not all, health benefits of Choose to Move 12 months after the intervention ended. Long-term commitments are needed to deliver effective health-promoting interventions for older adults if benefits are to be maintained.

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Gengyu Han, Jingshu Zhang, Shang Ma, Ruoran Lu, Jiali Duan, Yi Song, and Patrick W.C. Lau

Background: Given the widespread prevalence and serious nature of Internet addiction (IA), this study aimed to estimate the prevalence of IA and assess the relationships between IA and combinations of physical activity (PA) and screen-based sedentary behavior (SB) among adolescents in China. Methods: This cross-sectional study surveyed 31,954 adolescents in grades 7 to 12 in Beijing. IA, PA, screen-based SB, and other information were obtained from a self-administrated questionnaire. The chi-square test and mixed-effects logistic regression model were applied to estimate the relationship between IA and combinations of PA and screen-based SB. Results: 6.2% of the surveyed adolescents reported IA and the prevalence of low PA/high screen-based SB, high PA/high screen-based SB, low PA/low screen-based SB, and high PA/low screen-based SB were 53.7%, 19.5%, 18.8%, and 8.0%, respectively. Mixed-effects logistic regression analysis showed that adolescents with low PA/high screen-based SB were 1.99 (95% confidence interval, 1.62–2.44, P < .001) times more likely to prefer IA than those with high PA/low screen-based SB. Conclusions: The prevalence of IA among Chinese adolescents is still high. Intervention programs like maintaining sufficient PA and reducing screen-based SB might contribute to reducing their IA.

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Leah M. Schumacher, J. Graham Thomas, Rena R. Wing, Hollie A. Raynor, Ryan E. Rhodes, and Dale S. Bond

Background: Exercising at a consistent versus variable time of day cross-sectionally relates to greater moderate to vigorous physical activity (MVPA) among weight loss maintainers. This study evaluated the relationships between exercise timing and both MVPA levels and habit strength, as well as stability in exercise timing, over 1 year among maintainers in the National Weight Control Registry. Methods: Participants (n = 709) completed questionnaires assessing exercise timing, MVPA, and exercise automaticity (a measure of habit) at baseline and 1-year follow-up. At each assessment, participants were labeled temporally consistent exercisers if >50% of their exercise sessions per week occurred in one time window: early morning, late morning, afternoon, or evening. Participants exercising consistently during the same window at both assessments were labeled as having stable patterns. Results: Temporally consistent exercise at baseline, regardless of its specific time, related to greater MVPA over time (Ps< .05). Approximately half of temporally consistent exercisers at baseline exhibited stable patterns. Early morning exercise and greater exercise automaticity at baseline predicted stable patterns (Ps< .005). Temporally consistent exercise, especially during the early morning, related to greater automaticity across time (Ps< .01). Conclusions: Consistent exercise timing may help maintainers accrue more MVPA. Consistent early morning exercise was most strongly related to exercise automaticity and routine stability.