Intervaled exercise does not potentiate post-effort hypotension in medicated hypertensive subjects
Abstract
The aim of the study was to analyze post-exercise hypotension (PEH) in two different aerobic exercise methods in properly medicated hypertensive individuals. Seven hypertensive volunteers were recruited, who were submitted on two different days to two sessions of aerobic exercise on treadmill, using different training methods. The constant intensity exercise (EIC) was performed for 40 minutes at 60% of the reserve heart rate (HRR). The exercise of varied intensity (IVE) was performed for 20 minutes, with one minute at 85% of the RRF and recovery of three minutes at 50% of the RRF. Systolic blood pressure (SBP) and diastolic blood pressure (DBP) were checked before, immediately after the session and in five-minute cycles until completing 30 minutes. The analysis of variance of repeated measurements with significance level of 5% was used. It was observed that both methods presented reduction of SBP when compared to the post-exertion situation (p <0.001). However, only the EIC presented a reduction of SBP in relation to rest in the 25th and 30th postoperative minutes. In addition, no difference was observed in DBP in both methods. According to the methods used and the results found we can conclude that an interval exercise session does not lead to HPE when compared to a continuous exercise session with a longer duration.
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