People with depression often withdraw and are physically inactive. To investigate the effect of physical activity, researchers enlisted 41 people, who were undergoing treatment at the hospital, for the study. The participants were each assigned to one of two groups, one of which completed a three-week exercise program. The program, which was developed by a sports science team, was varied, included fun elements, and did not come across as a competition or test, but instead employed teamwork from the participants. The other group took part in a control program without physical activity.