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Aquatic exercise is as effective as dry land training to blood pressure reduction in postmenopausal hypertensive women [with consumer summary]
Arca EA, Martinelli B, Martin LC, Waisberg CB, da Silva Franco RJ
Physiotherapy Research International 2014 Jun;19(2):93-98
clinical trial
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

BACKGROUND AND PURPOSE: The evidence of the benefits from regular physical activity to hypertensives is based on dry land training studies. Therefore, the aim of this study is to compare the effect of aquatic exercise with dry land training on hypertensive women. METHODS: This is a randomized controlled study with 52 post-menopausal hypertensive women. The patients were randomly allocated in three groups: water aerobic training group (n = 19), dry land aerobic training group (n = 19) and a non-intervention control group (n = 14). The training protocol was performed by 12 weeks. RESULTS: There were no differences among the three groups concerning basal blood pressure (BP) and biochemical variables. In water group, there was a statistically significant reduction of systolic BP from 136 +/- 16 mmHg at zero week to 124 +/- 18 mmHg at 11th week and 124 +/- 15 mmHg at 12th week. In dry land training group, there was a statistically significant reduction of systolic BP from 138 +/- 15 mmHg at zero week to 125 +/- 10 mmHg at 7th week, 127 +/- 10 mmHg at 10th week and 126 +/- 9 mmHg at 12th week. The control group presented no change in any of the assessed variables. No changes were carried out in any antihypertensive medications during study. DISCUSSION: This is a randomized controlled study that demonstrates the antihypertensive efficacy of aerobic aquatic exercise.

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