The feasibility study will be conducted in order to evaluate the study design of a future RCT. Feasibility data will eg. consist of study flow description, number of eligible participants, included participants, patients and instructors satisfaction with the intervention, training compliance, reasons for drop-outs, and adverse events.
Patients waiting for colorectal surgery will be recruited and included after informed consent. Physical and respiratory function will be assessed at the hospital before the intervention, the day before surgery and the day before discharge. Data on postoperative complications, length of stay and mortality will be collected during the hospital stay. At baseline and six months after surgery, the participants will receive three questionnaires about level of independence in daily living, physical activity and health related quality of life. The intervention will be performed in the older person's home and consists of a combination of high-intensity respiratory training and individually adjusted functional exercise. Both groups will receive physical activity advice and malnutrition will be screened to optimize their nutritional status.
