Is exercise good for high blood pressure? (original) (raw)
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- Is exercise good for...
- Is exercise good for high blood pressure?
Clinical Research Br Med J (Clin Res Ed) 1982;285 doi: https://doi.org/10.1136/bmj.285.6344.767 (Published 18 September 1982) Cite this as: Br Med J (Clin Res Ed) 1982;285:767
- R G Wilcox,
- T Bennett,
- A M Brown,
- I A Macdonald
Abstract
Ten men with uncomplicated essential hypertension (mean standing blood pressure 165/109 mm Hg) and 10 normal controls matched for age and weight were studied for the hypotensive potential of moderate exercise. Tests were conducted on a treadmill set to induce a steady heart rate of 120 beats/min and performed over five 10-minute periods separated by three minutes' rest and finishing with 30 minutes' sitting quietly in a chair.
During exercise the mean systolic pressures were identical in the hypertensive patients and controls (175±SEM 5 mm Hg), the controls therefore sustaining an appreciably greater increase in pressure. During the 30-minute rest period after the tests both the control and hypertensive groups showed a significant and sustained fall in absolute systolic pressures as compared with pre-exercise values (p <0·001), the mean percentage reductions being 22% and 25% respectively.
If a fall in blood pressure after exercise is maintained for four to 10 hours, then a “good walk” twice a day might be reasonable treatment for mild hypertension. Studies are continuing to determine the amount of exercise needed and the duration for which the reduction in blood pressure is maintained.
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