Introduction: The purpose of this study was to determine the effect of twelve weeks of
aerobic exercise program on erythrocyte levels in women with breast cancer after
Methods: Thirty women with breast cancer after chemotherapy of Sydalshhda hospital (aged
between 47-65 years) volunteered for this study, and then randomly selected an exercise (n =
15) and control (n = 15) groups. Exercise group completed a twelve-week aerobic exercise
training program consisted of three sessions per week, each session lasting 30 to 60 minutes
50 to 75 percent of their maximum heart rate reserve, while the control group were followed.
Blood samples including red blood cell counts (RBC), hematocrit (HCT), hemoglobin (HB), peak
oxygen consumption before and after 12 weeks of aerobic exercise were measured. For analysis
of data, repeated-measures analysis of variance (ANOVA) was used.