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There is a growing health burden in Sweden and Europe arising from the interrelated sequelae of metabolic disorders comprising impaired glucose tolerance (IGT), obesity and T2DM. Obesity and inactivity are the main drivers of IGT and T2DM and are responsible for up to 8% of health costs and 13% of deaths in Europe, with the risk of co-morbidities rising in parallel with increasing body weight. IGT and T2DM are the paradigm of inactivity-related disorders: the majority of people who have IGT or T2DM are overweight and inactive, with up to 80% being obese. A recent meta-analysis of 42 studies concluded that sedentary time was independently associated with a greater risk of T2D, all-cause mortality, cardiovascular disease incidence and mortality, and cancer incidence and mortality (breast, colon, colorectal, endometrial and epithelial ovarian cancers) (Ann Intern Med. 2015;162:123-32). A recent systematic review of trials published up to April 2014 identified 16 separate studies and concluded that there is considerable evidence of the positive effects of breaking up prolonged sitting time with light-intensity ambulatory physical activity and standing on postprandial metabolic parameters, including glucose, insulin and triglyceride levels (Med Sci Sports Exerc. 2015:47:2053-61). However, to date, all of the published experimental trials describing the beneficial effects of breaking up sitting time on metabolic risk markers have been restricted to acute exposure periods (1-5 days). We will perform a RCT intervention study, which examines the efficacy (clinically relevant responses) and practical implementation of low-impact training in sedentary obese individuals during the day.
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20 participants in 2 patient groups
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