A total of 240 Chinese women , aged 18 years , who have been abused by an intimate partner within the past three years will be recruited from a community setting in Hong Kong and randomized to receive either a qigong intervention or wait-list control condition as follows : the qigong intervention will comprise ( i ) a 2-hour group qigong training session twice a week for 6 weeks , ( ii ) a 1-hour follow-up group qigong exercise session once a week for 4 months , and ( iii ) a 30-minute self-practice qigong exercise session once a day for 5.5 months .