The gap between ambition and action is familiar to us all but when it's potentially a matter of life and death how do we overcome it? This piece gives you a sense of both the research which illustrates the 'behaviour gap' in patients who are attempting to make good on their promise to regularly exercise. Presented by Chloe Grimmett, behavioural scientist from Southampton University. She works closely alongside the 'Fit for Surgery Team', providing the behavioural intervention which is part of the on-going WesFit prehabilitation trial. Originally streamed live on www.topmedtalk.com from The Institute of Engineering and Technology (IET) in London during EBPOM 2018 the fuller version of this talk is here: "POETTS 2018 | Psychological Behavioural Change Interventions in Cancer Patients" https://www.topmedtalk.com/poetts-2018-psychological-behavioural-change-interventions-in-cancer-patients/