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61 active trials for Sedentary Behavior

The DURATION Study: reDUcing sedentaRy behAviour to Maintain cogniTIve functiON.

Rationale: Older adults spend the majority of their time in sedentary behaviours (SB). High amounts of SB have been correlated with reduced cognitive performance. Long periods of time spent sitting results in excessive glycemic variability, potentially contributing to cognitive decline. Reducing/replacing SB with short intermittent bouts of light physical activity have shown positive effects on glycemic variability. Thus, interrupting prolonged sitting with bouts of light physical activity may regulate blood glucose and thus mitigate cognitive decline. Purpose: This study intends to investigate the appropriate interval frequency of post-prandial SB reduction, by light physical activity needed to optimize total and incremental area under the curve for glucose response in overweight older adults at risk for glucose intolerance with mild cognitive impairment in both lab and free-living environments. Second, this study aims to investigate the acute impact of reducing SB on glycemic variability and its relationship with cognition. Hypothesis: First, there will be a dose-dependent response of more frequent interruptions of SB (more frequent intervals of light physical activity) with better glycemic control. Second, reducing SB will result in less glycemic variability, which will translate into better levels of cognitive performance. Methods: Generalized linear mixed models with random intercepts will be used to evaluate the differential effects of the experimental conditions on the selected outcomes.

Start: January 2021
Do Implementation Intentions Increase Average Daily Step Count.

Cardiovascular disease is the second major cause of death for women in Israel and the leading cause of death among women worldwide. Women have higher mortality rates after a coronary or cerebrovascular event compared to men, and receive less attention for prevention and treatment of heart disease. The risk factors for heart disease among women in Israel are high: 53% of women in the State of Israel are overweight or obese and 48% of women do not exercise. Increasing physical activity can lower the risk of developing cardiovascular disease in women. The literature suggests that even minor changes in behavior can reduce the morbidity, mortality and costs to the health care system. Pedometers have proven to be an effective tool for increasing physical activity, and have the potential to create change in health habits. The pedometer measures steps and is a simple measure that gives an estimate of the extent of exercise in terms of steps. The device is simple and user-friendly and serves as an indicator of movement as a result of health choices. The literature shows that when pedometers are integrated into a support program, they provide an incentive to increase physical activity. Supporting software includes, among other things - choosing personal goals, close tracking, and self-tracking and re balancing systems. "Implementation intention" is a strategy in the form of an "if-then plan" that can increase the likelihood of attaining one's goals. It is different than specifying a goal intentions as it specifies the when, where and how portions of goal-directed behavior. This study seeks to compare the increase in steps in participants randomly assigned in a 2:2:1 allocation to a goal-setting pedometer intervention, a goal-setting plus implementation intentions pedometer intervention vs pedometer only.

Start: October 2014
Urinary Incontinence and Sedentary Behaviour in Nursing Homes

The increase of the older adult population in the past years has generated an important impact on chronic conditions and geriatric syndromes like dementia, falls and urinary incontinence (UI). To better understand IU seems warranted because of its socioeconomic and health impact. Nursing home (NH) residents are the frailest segment of our population, with very low physical activity levels and highly sedentary. Several studies had shown that physical activity levels and time and patterns of sedentary behaviour (SB) are independent risk factors for many health issues. As far as the investigators know, there is no evidence supporting the relation between IU and SB, and no information about the incidence of IU in NH residents living in Catalonia (Spain). This project consists of two stages: stage 1 will conduct a cross-sectional study using mixed methodology (qualitative and quantitative), and a 2-year longitudinal study (stage 2). Stage 1 has the main objective of verifying the prevalence of IU and its associated factors in NH residents in Barcelona (Spain), as well as analyse the association between IU (and their types) with SB time and patterns. In addition, the proportion of geriatric residents who receive control measures for their IU, and whether they receive SB-related interventions from health professionals of the institution will be also explored. Finally, the investigators aim to understand the experience of NH residents and the health professionals who care for them about the characteristics, burden and barriers of having IU. Stage 2 has the main objective to verify the incidence of the functional and continence decline, falls, hospitalizations and mortality, as well as their predictive factors in older care/nursing home residents in Barcelona (Spain). Specific objetives are to assess the evolution of each activity of daily living and the causes of hospitalization and death in geriatrics residents for a period of 2 years and to verify the incidence of recurrent falls (one or more falls), and analyse the consequences of falls (fractures, hospitalizations, among others) among the residents. Potential risk and protective factors for mortality due to COVID-19 and its impact on functioning and hospitalizations will also be analyzed. Finally, the stage 2 of the project aims at creating a specific instrument for the evaluation of frailty in institutionalized older people, based on the main predictive factors of functional decline.

Start: February 2020
Effects of Cycling Workstation on Cardiometabolic Health for Workers With an Office-sitting Desk (REMOVE)

The recent literature has highlighting the importance of the time of inactivity and the level of physical activity (PA) as predictors of metabolic cardio risks. Now, sedentary lifestyles are well recognized as one of the causes of mortality. As with physical activity, a dose-response relationship appears to exist: mortality would increase with time spent in sedentary behaviors. However, this relationship would not be linear: the more the daily sitting time increases, the more the consequences on mortality are important. It is now well demonstrated that time spent in sedentary adult behaviour finds primarily its origin in the work, characterized by prolonged and uninterrupted periods of sitting. Many strategies have been settled to break the prolonged sitting time. The most promising one seem to be the use of active workstations (treadmill, cycling, stepping) because they reduce sedentary time at work and increase physical activity with positive effects on the global health. If active workstations have demonstrated their effectiveness with overweight or obese people by increasing daily energy expenditure, their interest in prevention in normal weight people is less known. In addition, the long-term effectiveness of a program of reactivation by active workstation on biological parameters, quantitative and qualitative time of sedentary behaviour (duration, number of breaks) and physical fitness was not assessed. The main objective of this project is to study the effects of the use of a cycling workstation for 60 minutes per day (30 minutes twice a day) for 3 months among professionals with an office-sitting desk on overall quantity of physical activity time (work and non-work) and sedentary time.

Start: January 2020