其他摘要：The present study aimed to determine the influence of low - load (L L ) resistance exercise (RE) with blood flow restriction (BFR) on systolic blood pressure (SBP), diastolic blood pressure (DBP), mean blood pressure (MBP), heart rate (HR), double product (DP) and oxygen saturation (SpO2) during the phases of the menstrual cycle (MC). Thirty untrained wome n were randomly and proportionally divided into three groups: HI = high - intensity exercises (80% of o ne - repetition maximum (1RM)); L L = low - load exercises (20% of 1RM); and L L +BFR = L L exercises combined with BFR. The exercise sessions were performed durin g the 3 rd - 4 th days (follicular phase), 16 th day (ovulatory phase) and the 24 th - 26 th days (luteal phase) of the MC. Before and immediately after the exercises, SBP, DBP, HR and SpO2 were evaluated. We observed an increase in SBP, HR and DP in the three phas es of the MC for all groups ( p < 0.05). Groups L L and/or L L +BFR exhibited a greater increase in SBP, DBP, MBP, HR and DP when compared with the HI group ( p < 0.05), and in the three groups, SpO2 was not reduced ( p > 0.05). There was a significant effect of the MC phases on HR and DP ( p < 0.05). We conclude that the three groups exhibited increased SBP, HR and DP; however, SpO2 was not d ifferent. Furthermore, groups L L and L L +BFR exhibited greater increases in hemodynamics, and the MC phases seem to influenc e only HR and DP.
