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Decadal Trends in Physical Activity Adherence Among Korean Older Adults: An Analysis of National Survey of Older Korean Data, 2011–2020

Joonyoung Lee, Eun Seong Kim, Hyunyoung Lee, and Jung Hoon Huh

Background/Objectives: This study investigated adherence to physical activity (PA) guidelines and associated sociodemographic factors among older Koreans from 2011 to 2020. Methods: Utilizing four public data sets from the National Survey of Older Koreans, the study included the data on 40,993 older adults 65 years and older in South Korea, collected between 2011 and 2020. Adherence to PA guidelines and sociodemographic factors were assessed through self-reported questionnaires. The data were analyzed using a two-way analysis of variance and post hoc tests. Results: Overall adherence increased from 39.1% in 2011 to 48.2% in 2017, then decreased to 37.6% in 2020 (p < .001). Men had higher adherence than women (p < .001). Age-related adherence peaked in the young-older group (65–74 years old) and was lowest in the oldest-old group (85+ years old) (p < .001). Marital status, education, and income were also significantly related to PA adherence (p < .001) across the years. Conclusion: Although continuous increase in adherence to PA among Koreans 65 years and older was observed, the decline in PA levels during the COVID era underscored the need for targeted interventions and well-informed health care policies to address demographic challenges. Still, considering that data were collected during the recommended social distancing period, a cautions interpretation of these findings is warranted. Significance/Implications: Health policies aiming to improve adherence to PA guidelines should prioritize Korean older adults who are female, belong to the oldest-old group, are single, and have low education and income levels, with the goal of enhancing health equity.

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Single- Versus Double-Leg Cycling: Small Muscle Mass Exercise Improves Exercise Capacity to a Greater Extent in Older Compared With Younger Population

Toni Haddad, Angela L. Spence, Jeremiah J. Peiffer, Gregory M. Blain, Jeanick Brisswalter, and Chris R. Abbiss

Manipulating the amount of muscle mass engaged during exercise can noninvasively inform the contribution of central cardiovascular and peripheral vascular-oxidative functions to endurance performance. To better understand the factors contributing to exercise limitation in older and younger individuals, exercise performance was assessed during single-leg and double-leg cycling. 16 older (67 ± 5 years) and 14 younger (35 ± 5 years) individuals performed a maximal exercise using single-leg and double-leg cycling. The ratio of single-leg to double-leg cycling power (RatioPower SL/DL) was compared between age groups. The association between fitness (peak oxygen consumption, peak power output, and physical activity levels) and RatioPower SL/DL was explored. The RatioPower SL/DL was greater in older compared with younger individuals (1.14 ± 0.11 vs. 1.06 ± 0.08, p = .041). The RatioPower SL/DL was correlated with peak oxygen consumption (r = .886, p < .001), peak power output relative to body mass (r = .854, p < .001), and levels of physical activity (r = .728, p = .003) in the younger but not older subgroup. Reducing the amount of muscle mass engaged during exercise improved exercise capacity to a greater extent in older versus younger population and may reflect a greater reduction in central cardiovascular function compared with peripheral vascular-oxidative function with aging.

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An Investigation of the Sled-Push Exercise Using a Resisted Sled Machine in Apparently Healthy Older Adults: An Exploratory Study

Micheal Baumann, Christopher Hill, Clayton Camic, Peter Chomentowski, Vitor Siqueira, Steven Petruzzello, and Emerson Sebastião

Physical function is regarded as the cornerstone of healthy aging, and exercise is an important determinant of healthy aging. This study examined the feasibility and physiological (heart rate, blood pressure, blood lactate, and rate of perceived exertion) and psychological (enjoyment) response resulting from an acute progressive sled-push (SLP) exercise session using the novel XPO Sled Trainer in older adults and compared that with walking (WKC) condition. The exercise session comprised six exercise bouts at 75%, 85%, 100% (2×), and 125% (2×) of normal velocity with a 2-min rest between bouts. Thirty-six older adults were randomly allocated into either the SLP or WKC conditions. No adverse events were observed during the exercise session, and all participants completed the exercise protocol as prescribed. One-third of the participants in the SLP group reported minimal body discomfort. Significantly higher responses were observed for all physiological variables as the intensity of the exercise increased in the SLP group compared with the WKC group (p < .001). The SLP group presented a decline in enjoyment as the intensity of the exercise increased (during), but similar enjoyment level than the WKC group for the overall exercise session (p = .711). Our findings support the viability and safety of SLP exercise using the XPO Sled Trainer in older adults. Such exercise demonstrated an intensity-driven modality that may have potential to elucidate positive adaptations in the cardiovascular system of older adults with acceptable levels of enjoyment.

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The Association Between Physical Activity, Obesity, and Cognition in Middle-Aged and Older Adults

Andrew J. Fiscella and Ross Andel

As rates of obesity continue to rise, so does the impact of obesity on cognitive function. Engaging in physical activity is one pathway through which individuals can help maintain cognitive function. This study examined whether any link between exercise and cognitive function was associated with weight characteristics. Data from 6,012 participants in the Health and Retirement Study were used. The association between participation in light or moderate physical activity and better cognitive function was particularly strong for overweight or obese adults and less so for those who were normal weight. Overall, the findings suggested that while being physically active is associated with better cognitive function regardless of weight, the associations were stronger for individuals who were overweight/obese compared with those who were normal weight. Given the results were particularly pronounced for waist circumference (relative to body mass index), further research should be conducted to examine if individuals with greater abdominal adiposity may benefit most from staying active in terms of their cognitive function.

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Effect of an 18-Month Walking Intervention on the Rest–Activity Rhythm of Older Adults With Mild–Moderate Dementia

Karin Mariëlle Volkers, Johanna Gerdine Douma, Jan Binne Hoeksma, and Erik Johan Anton Scherder

The objective of this 18-month walking intervention was to evaluate the effect on rest–activity rhythm (RAR) for older adults with mild-to-moderate dementia (65.8% female; aged M = 82.4 [SD = 6.5]). The intervention group (n = 44) was intended to walk 30 min, five times per week for 18 months. The control group (n = 35) received sedentary activities or usual care. RAR was measured at baseline to after 18 months and five times in between actigraphy outcome variables (interdaily stability, intradaily variability, relative amplitude, activity 10 most active hours, and activity 5 least active hours). Hierarchical mixed model analyses revealed no significant intervention effects (with or without baseline confounders as covariate) on RAR. However, participants in the intervention group were able to significantly increase their daily life activity (activity 10 most active hours) from the onset of the preceding measurement, b = 0.10, t(239.32) = 2.36, p = .019. More research is warranted to study the effect of regular walks on older persons with dementia whose RAR is worst at baseline.

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Volume 32 (2024): Issue 1 (Feb 2024)

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Physical Activity Inclusion in Dementia-Friendly Communities: A Mixed Methods Study

Rebecca Hadley, Elspeth Mathie, Elizabeth Pike, and Claire Goodman

Dementia-friendly communities (DFCs) are a policy-endorsed approach to community engagement in England that promotes social inclusion to enable people affected by dementia to live well. Research suggests that physical activity is beneficial in encouraging social connection and improving health. A mixed method sequential study design in England involving a national survey (n = 31) and semistructured interviews (n = 65) in three DFCs was carried out. The aim was to understand how DFCs enable people affected by dementia to participate in physical activities. An evaluation framework for DFCs was used to organize and interpret the data, and analysis was informed by the inclusive (social) citizen lens. Findings showed that DFCs offered a range of adapted dementia-inclusive and dementia-specific activities; however, people were not routinely offered information at time of diagnosis. Local authorities (councils) were key to enable access to information and infrastructure change to support sustainable inclusion within their local community.

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The Civilized Bodies of Middle-Aged Women: A Qualitative Study of Participation in an Exercise Intervention in Denmark

Maria Hybholt

The present paper explores how aging bodies of middle-aged women can enable and constrain participation in physical activity. The study is inspired by the process sociology of Norbert Elias and builds on qualitative empirical material from passive observations (N = 57), focus groups (N = 51), and individual follow-up interviews (N = 21) with middle-aged Danish women who participated in a 3-month research project with exercise intervention. The qualitative study found that awareness of bodily aging enabled the taking up of exercise in the intervention. Additionally, taking up regular exercise in midlife can be understood as a highly rationalized leisure-time activity in relation to societal moral norms of self-responsibility for own physiological health. Furthermore, the qualitative material indicates that participation enabled a self-realization among the middle-aged women, as strong and capable bodies counter to the biomedical view of decline in the aging body.

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Dementia-Inclusive Choices for Exercise Toolkit: Impact on the Knowledge, Perspectives, and Practices of Exercise Providers

Laura E. Middleton, Chelsea Pelletier, Melissa Koch, Rebekah Norman, Sherry Dupuis, Arlene Astell, Lora Giangregorio, Shannon Freeman, and On behalf of the DICE Research Team

Physical activity improves the well-being of persons living with dementia but few exercise programs include them. The Dementia-Inclusive Choices for Exercise (DICE) toolkit aims to improve exercise providers’ understanding of dementia and ability to support persons living with dementia in physical activity. We evaluated the co-designed DICE toolkit with exercise providers using a mixed-methods approach comprising pre/post questionnaires and interviews and reflection diaries. Among 16 participants, self-efficacy for exercise delivery to persons living with dementia and both knowledge and attitudes toward dementia significantly improved. Thematic analysis suggested participants (a) had a deeper understanding of the variability of dementia, (b) were planning for equitable access for persons living with dementia, (c) planned to promote social connection through exercise, and (d) were optimistic for future engagement with persons living with dementia. The DICE toolkit may improve exercise providers’ knowledge and confidence to plan proactively to support persons living with dementia in programs and services.

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Is There an Association Between Self-Reported Dual-Task Performance and Fear of Falling in Older Adults?

Ecem Kartal Özcan, Mustafa Karabulut, Kürşad Karakoç, and Banu Müjdeci

Introduction: Is there an association between self-reported dual-task performance and fear of falling in older adults? Background/Objectives: Fear of falling tends to increase with age and can negatively impact dual-task abilities, leading to potential declines in overall quality of life. Therefore, it becomes crucial to evaluate dual-task performance in older adults, particularly prior to the onset of fear of falling. This study aims to investigate the potential association between self-reported dual-task performance and fear of falling in older adults. Methods: A total of 51 individuals (19 females and 32 males) were recruited. The participants met the inclusion criteria were administered the Dual-Task Questionnaire (DTQ), Falls Efficiency Scale International, and Physical Activity Scale for the Elderly. Multiple linear regression was performed to predict DTQ scores based on age, body mass index, and Physical Activity Scale for the Elderly. Results: A moderate positive correlation was found between Falls Efficiency Scale International scores and self-reported DTQ scores (r: .448, p: .001). Age, body mass index, and Physical Activity Scale for the Elderly were not found to be significant predictors of DTQ scores. Conclusions: Our study reveals a moderate positive association between fear of falling and self-reported dual-task performance in older adults. A direct relationship between physical activity performance, fear of falling, and self-reported dual-task performance was observed among older adults. Significance/Implications: Integrating self-reported measures like the DTQ in clinical evaluations can provide valuable insights into dual-task abilities of older adults.