Forty patients under active anticancer treatment ( adjuvant ( 25 ) , palliative ( 11 ) or neoadjuvant ( 4 ) ) with moderate or severe fatigue ( 4 on the visual analogue scale ) were investigated in two groups for severity of fatigue ( visual analogue scale , Functional Assessment of Chronic Illness Therapy : Fatigue questionnaire ) , quality of life ( European Organization for Research and Treatment of Cancer , Quality of Life Questionnaire ) and physical performance ( 6-minute walk test ) before and after the study period -- group A ( n = 20 ) : intervention ( 10 dance classes in 5 weeks in addition to counselling ) and group B ( n = 20 ) : control ( no dance , standard of care , counselling ) .