Key result
A 12-week resistance training program reduced systolic blood pressure by 8.5% and increased plasma NOx by 35.2% in pre- and hypertensive older women.
Why the study?
Does a 12-week resistance training program reduce blood pressure and increase plasma nitric oxide bioavailability in pre- and hypertensive older women?
RCT (n=35)
Does a 12-week resistance training program reduce blood pressure and increase plasma nitric oxide bioavailability in pre- and hypertensive older women?
A 12-week resistance training program effectively reduces blood pressure in pre- and hypertensive older women, an effect associated with increased plasma nitric oxide bioavailability.
Answers are grounded in this paper and cite their sources.
May support resistance training for BP reduction; hypothesis-generating and requires larger trials before practice change.
) were randomly allocated into a training group (TG; n=17), which performed a 12-week RT program, and a control group (CG; n=18), which did not perform any physical exercise. Anthropometry, one repetition maximum (1RM), body composition analysis by dual energy X-ray absorptiometry, blood samples, and resting BP were measured. There was a significant interaction for all variables analyzed, in which reductions of systolic BP (-8.5%), diastolic BP (-8.4%), and mean arterial pressure (-8.5%), and increases of NOx (+35.2%) were observed only for the TG. Moreover, a negative and significant correlation was observed (P<0.05; r=-0.63) between NOx and systolic BP in the TG. Results suggest that a 12-week RT program is sufficient to induce reductions in BP in pre- and hypertensive older women and that the decrease in systolic BP is associated with an increase in plasma NOx concentration.
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Tomeleri et al. (2017) conducted an RCT in Prehypertension and hypertension (n=35). Resistance training program vs. No physical exercise was evaluated on Systolic blood pressure. A 12-week resistance training program reduced systolic blood pressure by 8.5% and increased plasma NOx by 35.2% in pre- and hypertensive older women.
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