"We had no idea the short bouts would be better," Wallace said. "Most studies found in the literature report the long, continuous session as more effective for many variables."
A blood pressure reading of less than 120/80 (measured in millimeters of mercury) is considered normal for adults. Systolic blood pressure -- the top number -- reflects the pressure of blood in the arteries when heart muscle is pumping. Repeated systolic readings from 120 to 139 indicate prehypertension.
Diastolic blood pressure -- the bottom number -- reflects the pressure when the heart is resting. Readings from 80 to 89 qualify as prehypertension.
Both types of walkers with prehypertension recorded an average decrease in systolic blood pressure of 5.4 to 5.6 and a diastolic reduction of 3.2. According to IU, a 5 mm decrease in systolic blood pressure is believed to significantly reduce the risk of heart disease, stroke and death.
The study's findings were published in this month's Journal of Hypertension. A similar study of people with hypertension, rather than prehypertension, is under way at IU.
Health Scope is a biweekly look at new trends, treatments and equipment in the medical field. For information about specific items, contact your physician.
Source: Evansville Courier & Press. Powered by Yellowbrix.
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