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Int J Gen Med. 2011;4:711-6. doi: 10.2147/IJGM.S24082. Epub 2011 Oct 19.

Exercise lowers blood pressure in university professors during subsequent teaching and sleeping hours.

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  • 1Graduate Program on Physical Education and Health, Catholic University of Brasilia, Brasilia.

Abstract

BACKGROUND:

University professors are subjected to psychological stress that contributes to blood pressure (BP) reactivity and development of hypertension. The purpose of this study was to investigate the effects of exercise on BP in university professors during teaching and sleeping hours.

METHODS:

Twelve normotensive professors (42.2 ± 10.8 years, 74.2 ± 11.2 kg, 172.8 ± 10.4 cm, 20.1% ± 6.7% body fat) randomly underwent control (CONT) and exercise (EX30) sessions before initiating their daily activities. EX30 consisted of 30 minutes of cycling at 80%-85% of heart rate reserve. Ambulatory BP was monitored for 24 hours following both sessions.

RESULTS:

BP increased in comparison with pre-session resting values during teaching after CONT (P < 0.05) but not after EX30. Systolic, diastolic, and mean arterial BP showed a more pronounced nocturnal dip following EX30 (approximately -14.7, -12.7, and -9.6 mmHg, respectively) when compared with CONT (approximately -6, -5 and -3 mmHg).

CONCLUSION:

Exercise induced a BP reduction in university professors, with the main effects being observed during subsequent teaching and sleeping hours.

KEYWORDS:

activities of daily living; aerobic exercise; post-exercise blood pressure

PMID:
22069373
PMCID:
PMC3206114
DOI:
10.2147/IJGM.S24082
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