![]() ![]() ![]() ![]() Replacing 30 minutes of daily sitting time with moderate or vigorous physical activity could also translate into a 2.5 cm (2.7 percent) decrease in waist circumference or a 1.33 mmol/mol (3.6 percent) decrease in glycated haemoglobin – a measure of blood sugar levels used to indicate diabetes.ĭr Jo Blodgett, first author of the study from UCL’s Institute of Sport, Exercise & Health, said: “The big takeaway from our research is that while small changes to how you move can have a positive effect on heart health, intensity of movement matters. When replacing sedentary behaviour, as little as five minutes of moderate to vigorous activity had a noticeable effect on heart health.įor a 54-year-old woman with an average BMI of 26.5, for example, a 30-minute change translated into a 0.64 decrease in BMI, which is a difference of 2.4 percent. The team then modelled what would happen if an individual changed various amounts of one behaviour for another each day for a week, to estimate the effect on heart health. The researchers identified a hierarchy of behaviours that make up a typical 24-hour day, with time spent doing moderate to vigorous activity providing the most benefit to heart health, followed by light activity, standing and sleeping - compared with the adverse impact of sedentary behaviour. Each participant used a wearable device on their thigh to measure their activity throughout the 24-hour day and had their heart health measured. In this study, researchers analysed data from six studies encompassing 15,246 people from five countries, to see how movement behaviour across the day is associated with heart health as measured by six common indicators. Since 1997, the number of people living with cardiovascular disease across the world has doubled and is projected to rise further. In 2021, it was responsible for one in three deaths (20.5M), with coronary heart disease alone the single biggest killer. It is also the first evidence to emerge from the Prospective Physical Activity, Sitting and Sleep (ProPASS) consortium, led by the University of Sydney’s Charles Perkins Centre, which aims to generate knowledge to inform future guidelines and policies.Ĭardiovascular disease, which refers to all diseases of the heart and circulation, is the number one cause of mortality globally. Published in the European Heart Journal and supported by the British Heart Foundation (BHF) and National Health and Medical Research Council (NHMRC), the study is the first to assess how different movement patterns throughout the 24-hour day are linked to heart health. ![]()
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