Treinamento de Força em Mulheres com Hipertensão Arterial

Acute and Chronic Effects of Resistive Exercise on Blood Pressure in Hypertensive Elderly Women
http://journals.lww.com/nsca-jscr/Abstract/publishahead/Acute_and_Chronic_Effects_of_Resistive_Exercise_on.97835.aspx
Journal of Strength & Conditioning Research:
POST ACCEPTANCE, 8 March 2013
doi: 10.1519/JSC.0b013e31828f2766

OBJETIVES: The purpose of this study was to investigate post-exercise hypotension (PEH) during a four-month period of resistance training in hypertensive elderly women.

MATERIAL AND METHODS: Sixty-four women were divided into two groups: an experimental group (EG), which performed resistance training, and a control group that did not practice any exercise. The experimental group carried out the following steps:

1) three weeks of exercise adaptation and 1RM test (month #1);
2) resistance exercise at 60% 1RM (month #2);
3) resistance exercise at 70% 1RM (month #3);
4) resistance exercise at 80% 1RM (month #4);
5) PEH analyses at the end of each month.

Measurements of systolic (SBP) and diastolic (DBP) blood pressure (BP) were performed each 5 minutes during a 20min resting period prior to the sessions and each 15min during one hour of post-session recovery.

RESULTS: ANCOVA for repeated measures showed a reduction in SBP of about 14 mmHg (p <= 0.05) and in DBP of 3.6 mmHg (p <= 0.05) between resting values after the training period.

In the EG group, SBP showed acute PEH during months 2 and 3, while DBP showed acute PEH during months 2 and 4.  The control group did not show acute PEH or variations during the four months period.

Post-exercise hypotension occurrence and chronic reduction of resting BP observed in the experimental group may have a protective effect on the cardiovascular system of the study participants.

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