This study investigates treatment effects from aerobic endurance training, maximal strength training and computer game on aerobic capacity, work efficiency and psychiatric symptoms in patients suffering from schizophrenia. The study is a controlled trial. The aim is to describe the population in respect to aerobic capacity and muscular strength. Low aerobic capacity and muscular strength are important risk factors for cardiovascular disease (CVD). The study also aim to evaluate physical and psychiatric effects from physical training. Effects from participation in physical training or computer game on symptoms, depression and quality of life will be investigated. Data will be collected between October 2005 and August 2007.