Effect of Physical Activity on Weight Loss and Cardiovascular Risk Factors After Gastric Bypass

The study will be conducted as a prospective, randomized, controlled, two-group, intervention study. Patients will be recruited among individuals referred to the tertiary center for bariatric surgery. The patients will be asked to participate in the study when they attend the preoperative education for bariatric surgery. Randomization will be performed in blocks ensuring an equal distribution of type 2 diabetes patients in the two study groups. Participants will be investigated before gastric bypass surgery, six, 12 and 24 month post-operative. Intervention, consisting of structured physical activity will take place from six to 12 month after operation. The intervention program will continue for six month. The supervised exercise program will take place at the training center consisting of 40 min. sessions two times pr. week for 26 consecutive weeks.