A session of resistance exercise promoted post-exercise hypotension in both normotensive and hypertensive men, but the effect did not persist during the 24-hour ambulatory period.
Does a single session of resistance exercise reduce blood pressure in normotensive and hypertensive men?
A single session of resistance exercise induces transient post-exercise hypotension in both normotensive and hypertensive men, but the effect does not persist over 24 hours.
p-value: p=> 0.05
To compare post-resistance exercise hypotension (PREH) and its mechanisms in normotensive and hypertensive individuals, 14 normotensives and 12 hypertensives underwent two experimental sessions: control (rest) and exercise (seven exercises, three sets, 50% of one repetition maximum). Hemodynamic and autonomic clinic measurements were taken before (Pre) and at two moments post-interventions (Post 1: between 30 and 60 min; Post 2: after 7 h). Ambulatory blood pressure (BP) was monitored for 24 h. At Post 1, exercise decreased systolic BP similarly in normotensives and hypertensives (-8 ± 2 vs -13 ± 2 mmHg, P > 0.05), whereas diastolic BP decreased more in hypertensives (-4 ± 1 vs -9 ± 1 mmHg, P 0.05). After exercise, heart rate (+13 ± 3 vs +13 ± 2 bpm) and its variability (low- to high-frequency components ratio, 1.9 ± 0.4 vs +1.4 ± 0.3) increased whereas stroke volume (-14 ± 5 vs -11 ± 5 mL) decreased similarly in normotensives and hypertensives (all, P > 0.05). At Post 2, all variables returned to pre-intervention, and ambulatory data were similar between sessions. Thus, a session of resistance exercise promoted PREH in normotensives and hypertensives. Although this PREH was greater in hypertensives, it did not last during the ambulatory period, which limits its clinical relevance. In addition, the mechanisms of PREH were similar in hypertensives and normotensives.
Queiroz et al. (Tue,) führten eine weitere Untersuchung zu Hypertension und Normotension (n=26) durch. Widerstandstraining vs. Kontrolle (Ruhe) wurde hinsichtlich der Veränderung des systolischen und diastolischen Blutdrucks 30 bis 60 Minuten nach der Intervention bewertet (p=> 0.05). Eine Sitzung Widerstandstraining förderte die post-exercise Hypotonie sowohl bei normotensiven als auch bei hypertensiven Männern, aber der Effekt hielt während der 24-stündigen ambulanten Phase nicht an.