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I-STAND R21: Reducing Sedentary Time In Obese Older Adults PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest I-STAND R21: Reducing Sedentary Time In Obese Older Adults articles that have been published worldwide.
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Older adults have the highest sedentary time across all age groups, and only a small portion is meeting the minimum recommendations for weekly physical activity. Little research to date has looked at how changes in one of these behaviours influences the other.
Sedentary behaviour is associated with increased risk for lower health status and all-cause mortality. Older adults spend up to 75%, on average, of their day sedentary, however little is known about interventions designed to decrease sitting time for this population. A scoping review was conducted to broadly determine what is known about sedentary behaviour interventions for older adults. Electronic databases were searched for articles with eligibility criteria including: (1) interventions containing strate...
We studied dynamic thiol/disulphide homeostasis, an indicator of oxidative stress, to investigate the effects of newly initiated exercise training on sedentary obese adults. Seventeen sedentary obese adults and 15 normal-weight controls were included in the sample for this study. The obese adults were given a physical exercise training program that lasted twelve weeks. Before and after the exercise training program, blood samples were collected, and serum thiol/disulphide parameters were measured by using a...
Processing decisions for accelerometry data can have important implications for outcome measures, yet little evidence exists exploring these in older adults. The aim of the current study was to investigate the impact of three potentially important criteria on older adults, physical activity, and sedentary time. Participants (n = 222: mean age 71.75 years [SD = 6.58], 57% male) wore ActiGraph GT3X+ for 7 days. Eight data processing combinations from three criteria were explored: low-frequency extension (on/o...
High sedentary time, low physical activity (PA), and low physical fitness place older adults at increased risk of chronic diseases, functional decline, and premature mortality. Mobile health (mHealth) apps, apps that run on mobile platforms, may help promote active living.
Movement velocity and power in a single STS are related to functional performance in older adults. Identifying accessible tools that provide valid measures of STS velocity/power would allow practitioners to evaluate physical function in clinical settings where time, space and finances are limited.
Self-report measures of sedentary behavior are easier to use in a clinical setting; yet, no self-report measures of sedentary behavior appear to be validated in cardiac rehabilitation over time. The aim of this study was to assess the validity of the Past-day Adults' Sedentary Time (PAST) questionnaire in a cardiac rehabilitation population over 12 mo.
Falls are a major contributor to the burden of disease in older adults. Home-based exercise programs are effective in reducing the rate and risk of falls in older adults. However, adherence to home-based exercise programs is low, limiting the efficacy of interventions. The implementation of technology-based exercise programs for older adults to use at home may increase exercise adherence and, thus, the effectiveness of fall prevention interventions. More information about older adults' experiences when usin...
Pet ownership is associated with increased levels of physical activity (PA) in older adults. Studies have mainly focused on the association between PA and dog walking; however, broader aspects of pet ownership may influence PA. The purpose of this study was to explore the association between pet ownership and incidental and purposeful PA using a mixed methods approach. Participants' (N = 15) PA was measured for 7 days using accelerometers and diaries. Semistructured interviews explored participants' perspec...
The study aims were to analyze the reliability and validity of the GymAware™ linear position transducer's velocity and power measures during the sit-to-stand, compared with the Dartfish 2D videography analysis, and to assess the relationship of age and handgrip strength with velocity and power in 48 older men and women (77.6 ± 11.1 years). The results showed excellent agreement between GymAware- and Dartfish-derived sit-to-stand velocity (intraclass correlation coefficient2-1 = .94 and power intraclass ...
Postural stability during sit-to-stand (STS) movements depends on visual and somatosensory information. A modification of the 30-sec chair-stand test (30s-CST) with visual and somatosensory alteration (m30CST) may improve the ability to identify fall status.
This study aimed to determine the feasibility of an occupational therapy intervention to address sedentary behavior and pain among older adults residing in assisted living facilities. A single group pretest and posttest design was implemented using the Sedentary Behavior Questionnaire, actigraphy technology, and daily activity logs to measure sedentary behavior. The Short-Form McGill Pain Questionnaire was used to assess pain. Occupational therapy intervention focused on individualized goals related to part...
To evaluate the effectiveness and user satisfaction with the sit-to-stand (STS) assistance system of a smart walker (SW), and to identify factors associated with them in potential users.
Research has found that social relationships are central to the health and well-being of an aging population. Evidence exploring the association between physical activity (PA) and sedentary behavior (SB) with social isolation and loneliness is limited. This study uses objectively measured PA and SB (ActiGraph®) and self-reported measures of loneliness (the De Jong Gierveld Loneliness Scale) and social engagement (the Lubben Social Network Scale) from the SITLESS study, a European-wide study of community-dw...
Sit-to-stand (STS) movement is an important transition movement for daily life. STS movement is typically seen in children aged 1 year and older. According to the motor development process, the ability of children in different age groups to perform STS movement would be different before they meet the mutuality. However, it is still unclear whether there are changes in the STS movement of growing children and adults.
Cross-sectional studies have linked greater polychlorinated biphenyl (PCB) exposure to adverse neuropsychological effects in older adults, including learning, memory, and depressive symptoms. However, no studies among older adults have evaluated the association over time.
Sit-stand workstations have been introduced in the workplaces to address the adverse sedentary effect inherent to typical sedentary office jobs. Existing field or laboratory studies showed that standing interventions are not a detriment to work productivity or performance. The effect of gradient standing proportion on these measures is still unknown.
More than 60% of the new cancer diagnoses are currently made in older adults, a highly heterogeneous population. Reliable and time-saving tools to define older adults' prognosis are needed to inform the oncologist's decisions in routine clinical practice. We sought to define a multi-domain classification tool for the prediction of all-cause one-year mortality in a cohort of older adults with solid tumors.
Higher physical activity (PA) and lower sedentary behaviour (SB) levels have demonstrated beneficial effects on temporal summation (TS) and conditioned pain modulation (CPM) in healthy adults. This cross-sectional study investigated the relationships between PA and SB and TS/CPM responses in individuals with chronic musculoskeletal pain.
Demographic and contextual factors are associated with quality of life (QoL) in older adults and prediagnosis QoL among older adults has important implications for supportive care in older cancer patients. To examine whether lower educational attainment is associated with poorer QoL among community dwelling older adults just before their diagnosis of lung cancer in a nationally representative sample. This study used the Surveillance, Epidemiology, and End Results (SEER)-Medicare Health Outcomes Survey (MH...
Recent updates to physical activity guidelines highlight the importance of reducing sedentary time. However, at present, only general recommendations are possible (ie, "Sit less, move more"). There remains a need to investigate the strength, temporality, specificity, and dose-response nature of sedentary behavior associations with chronic disease, along with potential underlying mechanisms.
Delirium is common in the ICU, with incidence rates reported to be upwards of 70%. Due to the significant morbidity and mortality associated with delirium, it is hypothesised that a delirium-free sedative agent will improve outcomes in older adults admitted to the ICU.
This study aimed: (i) to provide a detailed description of sleep, sedentary behavior (SED), light physical activity (LPA), and moderate-to-vigorous physical activity (MVPA) over the complete 24-h period using raw acceleration data in older adults; and (ii) to examine the differences in the 24-h activity cycle by sex, age, education, and body mass index (BMI).
Although hip muscles are related to activities of daily living (ADLs) in older adults, there is a lack of evidence concerning the extensor-flexor hip torque-angle. A shift of the torque-angle relationship is caused by the aging process (increasing or reducing the range of motion) affecting the force production in a given muscular length during ADLs. Thus, the relationship between hip extensor-flexor muscles' force production and their association with functional capacity tests in elderly women were evaluate...