The short-term effects of sedentary behaviour on cerebral hemodynamics and cognitive performance in older adults: a cross-over design on the potential impact of mental and/or physical activity

Cardiovascular fitness is linked to better executive functions, preserved gait speed, and efficient cortical activity. Older adults with cardiovascular risk factors (CVRFs) typically show poor cognitive performance, low physical fitness, and altered brain functioning compared with healthy individuals. In the current study, the impact of regular physical activity on cognition, locomotion, and brain functions was explored in a cohort of older adults with low or high CVRFs. Cortical activation of the frontal areas was investigated using functional Near-Infrared Spectroscopy (fNIRS) at baseline, at 6 months and at 12 months. Evoked cortical response and behavioral performance were assessed using the dual-task walking paradigm, consisting of three conditions: single cognitive task (2-back task), single walking task (walking), and dual-task (2-back whilst walking). Results show greater task-related cortical response at baseline in individuals with high CVRFs compared to those with low CVRFs. Moreover, participants with high CVRFs benefitted the most from participating in regular physical activity, as their cortical response decreased at the 12-month follow-up and became comparable to that of participants with low CVRFs. These changes were observed in conjunction with improved cognitive performance and stable gait speed throughout the 12-month period in both groups. Our findings provide evidence that participation in regular physical activity may be especially beneficial in individuals with CVRFs by promoting brain and cognitive health, thus potentially contributing to prevention of cognitive decline. Future research may explore whether such effects are maintained in the long-term in order to design ad-hoc interventions in this specific population.

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Associations between objectively measured physical activity, sedentary behaviour and time in bed among 75+ community-dwelling Danish older adults

BMC Geriatrics ◽

10.1186/s12877-020-01856-6 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Li-Tang Tsai ◽

Eleanor Boyle ◽

Jan C. Brønd ◽

Gry Kock ◽

Mathias Skjødt ◽

...

Keyword(s):

Physical Activity ◽

Older Adults ◽

Sedentary Behavior ◽

Sedentary Behaviour ◽

Sleep Duration ◽

Activity Level ◽

Time In Bed ◽

Objectively Measured ◽

Objectively Measured Physical Activity ◽

Vector Magnitude

Abstract Background Older adults are recommended to sleep 7–8 h/day. Time in bed (TIB) differs from sleep duration and includes also the time of lying in bed without sleeping. Long TIB (≥9 h) are associated with self-reported sedentary behavior, but the association between objectively measured physical activity, sedentary behavior and TIB is unknown. Methods This study was based on cross-sectional analysis of the Healthy Ageing Network of Competence (HANC Study). Physical activity and sedentary behaviour were measured by a tri-axial accelerometer (ActiGraph) placed on the dominant wrist for 7 days. Sedentary behavior was classified as < 2303 counts per minute (cpm) in vector magnitude and physical activity intensities were categorized, as 2303–4999 and ≥ 5000 cpm in vector magnitude. TIB was recorded in self-reported diaries. Participants were categorized as UTIB (usually having TIB 7–9 h/night: ≥80% of measurement days), STIB (sometimes having TIB 7–9 h/night: 20–79% of measurement days), and RTIB (rarely having TIB 7–9 h/night: < 20% of measurement days). Multinominal regression models were used to calculate the relative risk ratios (RRR) of being RTIB and STIB by daily levels of physical activity and SB, with UTIB as the reference group. The models were adjusted for age, sex, average daily nap length and physical function. Results Three hundred and fourty-one older adults (median age 81 (IQR 5), 62% women) were included with median TIB of 8 h 21 min (1 h 10 min)/day, physical activity level of 2054 (864) CPM with 64 (15) % of waking hours in sedentary behavior. Those with average CPM within the highest tertile had a lower RRR (0.33 (0.15–0.71), p = 0.005) for being RTIB compared to those within the lowest tertile of average CPM. Accumulating physical activity in intensities 2303–4999 and ≥ 5000 cpm/day did not affect the RRR of being RTIB. RRR of being RTIB among highly sedentary participants (≥10 h/day of sedentary behavior) more than tripled compared to those who were less sedentary (3.21 (1.50–6.88), p = 0.003). Conclusions For older adults, being physically active and less sedentary was associated with being in bed for 7–9 h/night for most nights (≥80%). Future longitudinal studies are warranted to explore the causal relationship sbetween physical activity and sleep duration.

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Short-term Effects of Whole-Body Vibration on Functional Mobility and Flexibility in Healthy, Older Adults

Journal of Geriatric Physical Therapy ◽

10.1519/jpt.0b013e318295dacd ◽

2014 ◽

Vol 37 (2) ◽

pp. 58-64 ◽

Cited By ~ 8

Author(s):

Taishi Tsuji ◽

Naruki Kitano ◽

Kenji Tsunoda ◽

Erika Himori ◽

Tomohiro Okura ◽

...

Keyword(s):

Older Adults ◽

Whole Body Vibration ◽

Functional Mobility ◽

Whole Body ◽

Short Term ◽

Healthy Older Adults ◽

Body Vibration ◽

Short Term Effects

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Association of daily composition of physical activity and sedentary behaviour with incidence of cardiovascular disease in older adults

International Journal of Behavioral Nutrition and Physical Activity ◽

10.1186/s12966-021-01157-0 ◽

2021 ◽

Vol 18 (1) ◽

Author(s):

Manasa S. Yerramalla ◽

Duncan E. McGregor ◽

Vincent T. van Hees ◽

Aurore Fayosse ◽

Aline Dugravot ◽

...

Keyword(s):

Physical Activity ◽

Older Adults ◽

Sedentary Behaviour ◽

Cox Regression ◽

Vigorous Physical Activity ◽

Movement Behaviour ◽

Cvd Risk ◽

Daily Movement ◽

Intensity Physical Activity ◽

Current Duration

Abstract Background Moderate-to-vigorous physical activity (MVPA) is proposed as key for cardiovascular diseases (CVD) prevention. At older ages, the role of sedentary behaviour (SB) and light intensity physical activity (LIPA) remains unclear. Evidence so far is based on studies examining movement behaviours as independent entities ignoring their co-dependency. This study examines the association between daily composition of objectively-assessed movement behaviours (MVPA, LIPA, SB) and incident CVD in older adults. Methods Whitehall II accelerometer sub-study participants free of CVD at baseline (N = 3319, 26.7% women, mean age = 68.9 years in 2012–2013) wore a wrist-accelerometer from which times in SB, LIPA, and MVPA during waking period were extracted over 7 days. Compositional Cox regression was used to estimate the hazard ratio (HR) for incident CVD for daily compositions of movement behaviours characterized by 10 (20 or 30) minutes greater duration in one movement behaviour accompanied by decrease in another behaviour, while keeping the third behaviour constant, compared to reference composition. Analyses were adjusted for sociodemographic, lifestyle, cardiometabolic risk factors and multimorbidity index. Results Of the 3319 participants, 299 had an incident CVD over a mean (SD) follow-up of 6.2 (1.3) years. Compared to daily movement behaviour composition with MVPA at recommended 21 min per day (150 min/week), composition with additional 10 min of MVPA and 10 min less SB was associated with smaller risk reduction – 8% (HR, 0.92; 95% CI, 0.87–0.99) – than the 14% increase in risk associated with a composition of similarly reduced time in MVPA and more time in SB (HR, 1.14; 95% CI, 1.02–1.27). For a given MVPA duration, the CVD risk did not differ as a function of LIPA and SB durations. Conclusions Among older adults, an increase in MVPA duration at the expense of time in either SB or LIPA was found associated with lower incidence of CVD. This study lends support to public health guidelines encouraging increase in MVPA or at least maintain MVPA at current duration.

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Objective measurements of daily physical activity patterns and sedentary behaviour in older adults: Age, Gene/Environment Susceptibility-Reykjavik Study

Age and Ageing ◽

10.1093/ageing/afs160 ◽

2012 ◽

Vol 42 (2) ◽

pp. 222-229 ◽

Cited By ~ 84

Author(s):

Nanna Yr Arnardottir ◽

Annemarie Koster ◽

Dane R. Van Domelen ◽

Robert J. Brychta ◽

Paolo Caserotti ◽

...

Keyword(s):

Physical Activity ◽

Older Adults ◽

Sedentary Behaviour ◽

Activity Patterns ◽

Daily Physical Activity ◽

Physical Activity Patterns ◽

Objective Measurements ◽

Gene Environment

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Evaluation of wrist and hip sedentary behaviour and moderate-to-vigorous physical activity raw acceleration cutpoints in older adults

Journal of Sports Sciences ◽

10.1080/02640414.2018.1555904 ◽

2018 ◽

Vol 37 (11) ◽

pp. 1270-1279 ◽

Cited By ~ 4

Author(s):

George J. Sanders ◽

Lynne M. Boddy ◽

S. Andy Sparks ◽

Whitney B. Curry ◽

Brenda Roe ◽

...

Keyword(s):

Physical Activity ◽

Older Adults ◽

Sedentary Behaviour ◽

Vigorous Physical Activity

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Using “Stages of Behavioral Change” Constructs to Measure the Short-Term Effects of a Worksite-Based Intervention to Increase Moderate Physical Activity

Psychological Reports ◽

10.2466/pr0.1998.82.2.615 ◽

1998 ◽

Vol 82 (2) ◽

pp. 615-618 ◽

Cited By ~ 17

Author(s):

Galen Cole ◽

Sharon Hammond ◽

Bruce Leonard ◽

Fred Fridinger

Keyword(s):

Physical Activity ◽

Stages Of Change ◽

Transtheoretical Model ◽

Moderate Physical Activity ◽

Short Term ◽

Incentive Program ◽

Maintenance Stage ◽

Before And After ◽

Change Concept ◽

Short Term Effects

We evaluated a three-level incentive program to promote regular, moderate physical activity among employees working in a federal agency. The objective was to assess the short-term effects of the intervention by examining the stages people go through as they attempt to make permanent changes in physical activity. Indicators of the process by which changes in physical activity take place were based on a modified version of the Transtheoretical Model of Behavior. A one-group pretest/posttest design was used to ascertain which of the stages the 1,192 participants were in both before and after the intervention. Analysis indicated that, of the 1,192 participants, 6.5% regressed one or more stages, 30.3% did not regress or progress from one stage to another, 27.7% remained in the maintenance stage, and 35.4% progressed one (21.1%) or more (14.3%) stages during the 50-day intervention. Among those who progressed, the most common change was from preparation to late preparation (20.8%) and from late preparation to action (19.4%). Findings reinforce the notion that the stages of change concept can serve as indicators of the change process which, in turn, can be used as evidence of the short-term effectiveness of interventions. Findings also indicate this type of intervention holds promise for increasing physical activity among willing participants of a worksite population.

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