Phase II will examine the effect of a 12-week rehabilitation programme, incorporating a walking intervention, individualised nutritional advice and education session, on functional status following curative treatment for OC. Following completion of Phase I and medical clearance to progress to Phase II, participants will be randomised 1:1 to either the intervention group or a control group. The control group will not receive the intervention however following completion of final assessments, participants will be offered an individual exercise and dietary session with the research physiotherapist and dietitian. During the intervention period, participants in the control group will continue to receive routine medical care.