Sedentary behavior has been found to be associated with negative health outcomes independently of physical activity in older adults. This systematic review collates interventions to reduce sedentary behavior in non-working older adults, assessing whether they are effective, feasible, and safe. A systematic search identified 2560 studies across five databases. Studies were included where participants were ≥60 years on average with none younger than 45, and participants did not work >2 days per week. A total of six studies were identified, three of which included control groups, while the other three were repeated-measures pre-post designs. Only one study randomised participants. The overall level of quality of included studies was poor. A narrative synthesis was conducted, as the level of heterogeneity in outcomes and outcome reporting were too high for a meta-analysis to be performed. The narrative synthesis suggested that interventions have the potential to reduce sitting time in non-working older adults. Included studies reported feasible and safe implementations of their interventions in most samples, except for one subsample from a study of people in sheltered housing. Objectively measured reductions in sitting time were between 3.2% and 5.3% of waking time, or up to 53.9 min per day. Future studies should employ more rigorous designs to assess the effects of reducing sedentary behavior on health and physical function, and should include follow-ups to measure the duration of behavior change.

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Background Frailty is a common and clinically significant condition in older adults, predominantly due to its association with adverse health outcomes such as hospitalisation, disability and mortality. Exercise interventions have been shown to be a beneficial treatment for frail older adults. However, more high-quality studies are needed within this area to assess the feasibility and impact of these interventions in frail geriatric populations within different settings, and with regards to their impact on broader aspects of health and wellbeing. Methods This study will utilise an interventional, randomised, controlled research design in order to assess the feasibility (acceptability, demand, implementation, practicality, adaptation, integration, expansion) and potential impact (limited-efficacy testing) of a specially adapted resistance training intervention; aimed at improving the multi-dimensional health and functional capacity of frail geriatric care home residents. Discussion The most immediate implication of this research from a scientific perspective is informing the feasibility, and potential efficacy, of a proposed future clinical trial within this setting. Additionally, if the study proves feasible, and the limited-efficacy testing proves positive, this study also has the potential to lead to advancement in the care for frail geriatric populations within residential care settings; and the ability to measurably improve various aspects of health and functional capacity within this population. This study has been granted a favourable ethical opinion by the London Harrow NHS Research Ethics Committee and is sponsored by the University of Birmingham. The findings of this study will be disseminated through publication in open access scientific journals, public engagement events, online via social media, conference presentations and directly to study participants. Trial registration ClinicalTrials.gov: NCT03141879 . Registered 5 May 2017. Electronic supplementary material The online version of this article (10.1186/s40814-019-0470-1) contains supplementary material, which is available to authorized users.

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BackgroundFrailty is a common and clinically significant condition in older adults, predominantly due to its association with adverse health outcomes such as hospitalisation, disability and mortality. Exercise interventions have been shown to be a beneficial treatment for frailty. However, more high-quality studies are needed to assess the feasibility and impact of these interventions in frail geriatric populations within different settings, and their impact on broader aspects of health and well-being.Methods and analysisThis study will use a 2-week, interventional, independent measures research design in order to assess the feasibility and impact of two specially adapted exercise training interventions (a specially adapted resistance training intervention, and Move It Or Lose It: an established community-based exercise intervention for older adults) aimed at improving the multidimensional health and functional capacity of frail geriatric hospital inpatients.Ethics and disseminationThis study has received a favourable ethical opinion by the Coventry and Warwickshire NHS Research Ethics Committee and sponsorship by the University of Birmingham after review by the sponsors research governance office. The findings will be disseminated through publication in open access scientific journals, public engagement events, online via social media, conference presentations and directly to study participants on request.Trial registration number NCT03141866