Forty patients under active anticancer treatment ( adjuvant ( @ ) , palliative ( @ ) or neoadjuvant ( @ ) ) with moderate or severe fatigue ( @ 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 ( @-minute walk test ) before and after the study period -- group A ( n = @ ) : intervention ( @ dance classes in @ weeks in addition to counselling ) and group B ( n = @ ) : control ( no dance , standard of care , counselling ) .