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- W2081540720 abstract "PURPOSE: To evaluate in postmenopausal women the aftereffects of a single bout of aerobic exercise in the hemodynamic and neural responses to dynamic handgrip exercise at 30% of the maximal voluntary contraction. METHODS: 14 healthy and postmenopausal women (51 ± 4 years old) participated of two experimental sessions in a random order: exercise session (ES): 45 minutes of cycle ergometer at 50% do VO2 peak and a control session (CS) 45 minutes of rest (sited position). After the sessions, SNA (microneurography), leg systolic (SBP), diastolic (DBP), mean blood pressures (MBP) and heart rate (HR) (oscilometric method- Dixtal) were registered during: 3 minutes of baseline, 3 minutes of dynamic handgrip (HG) (30% of the maximum voluntary force), 2 minutes of forearm circulation arrest and 3 minutes of recovery. A two-way ANOVA for repeated measures was applied and Post hoc comparisons were done by Newman-Keuls test. P≤0.05 was accepted as statistically significant. Data are presented as means ± SD. RESULTS: Baseline, HG exercise, circulation arrest and recovery SBP was lower after ES (154 ± 11mm Hg) compared to CS (161± 11mm Hg); The same effect was observed in DBP(ES: 75 ± 9 mm Hg x CS: 81± 8 mm Hg) and SNA (ES: 30 ± 6 burst/min x CS 36 ± 5 burst/min). MBP (ES: 96 ± 8 mm Hg x CS 100 ± 8 mm Hg) and HR were not significantly different between sessions: (ES: 69 ± 9 bpm x CS 67± 7 bpm) CONCLUSION: A single bout of aerobic exercise in postmenopausal women elicits to sympathetic nerve activity reduction and blood pressure fall during dynamic handgrip exercise suggesting that aerobic exercise is effective to attenuate sympathetic activity in this population." @default.
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- W2081540720 date "2007-05-01" @default.
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- W2081540720 title "Aftereffects of a Single Bout of Aerobic Exercise in Sympathetic Nerve Activity and Blood Pressure Responses to Handgrip Dynamic Exercise in Postmenopausal Women" @default.
- W2081540720 doi "https://doi.org/10.1249/01.mss.0000273607.18085.7a" @default.
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