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High Blood Pressure
Study: Exercise alone not effective for seniors with hypertensionJust when study after study on the benefits of exercise had you thinking working out could be a miracle cure for all that ails us, there's word that it might not fix everything - at least not where older adults and high blood pressure are concerned.
While staying active has been shown to have a slew of benefits for older people, a study published in the Archives of Internal Medicine shows that lowering high blood pressure might not be one of them.
Researchers at the Johns Hopkins School of Medicine in Baltimore,[link widoczny dla zalogowanych], Maryland,[link widoczny dla zalogowanych], set out to find out what kind of effect an exercise program combining aerobic and resistance training has on older adults with mild hypertension. While exercise has been shown in studies to have a positive effect on high blood pressure,[link widoczny dla zalogowanych], few studies have examined its effect specifically on older age groups.
Participants in the study were between the ages of 55 and 75 with systolic blood pressure levels (the upper number) between 130 and 159 mm Hg and diastolic blood pressure between 85 and 99 mm Hg.
Systolic blood pressure,[link widoczny dla zalogowanych], which is considered to be the more important of the two measures in the elderly, refers to the pressure of blood flow when the heart pumps blood out,[link widoczny dla zalogowanych], while diastolic blood pressure is the pressure within blood vessels between heartbeats. Canadian guidelines define high blood pressure as systolic blood pressure above 140 or diastolic blood pressure above 90, but recent research released by the Heart and Stroke Foundation found that blood pressure at the high end of normal was still associated with an increased risk of heart attack.
Over a six-month period,[link widoczny dla zalogowanych], 51 of the participants followed an exercise program that consisted of three sessions a week. Each session included warm-up stretches,[link widoczny dla zalogowanych], two sets of 10 to 15 repetitions on a variety of weight machines and 45 minutes on a treadmill,[link widoczny dla zalogowanych], stationary bike or stair-climbing machine. Another 53 participants were in the control group,[link widoczny dla zalogowanych],and received standard diet and exercise advice but no formal program.
At the end of the study, the participants enrolled in the exercise program had improved their aerobic fitness level and were stronger. They also increased their lean muscle mass and lost fat,[link widoczny dla zalogowanych], both in their stomach (where excess weight is associated with an increased risk for heart disease) and overall.
Their diastolic blood pressure was also significantly lower than those who were in the control group. But while the exercisers showed a slight decrease in systolic blood pressure, their improvements were not more than might simply be caused by chance.
Kerry J. But that doesn't mean they shouldn't lace up their sneakers and work up a sweat anyway,[link widoczny dla zalogowanych].
"Older people should still be encouraged to exercise because it produces numerous health benefits,[link widoczny dla zalogowanych], but their expectations need to be modified about how much good the exercise alone will do for reducing systolic blood pressure,[link widoczny dla zalogowanych]," Stewart writes.
The contents of this site are for informational purposes only and are meant to be discussed with your physician or other qualified health care professional before being acted on. Never disregard any advice given to you by your doctor or other qualified health care professional,[link widoczny dla zalogowanych]. Always seek the advice of a physician or other licensed health care professional regarding any questions you have about your medical condition(s) and treatment(s). This site is not a substitute for medical advice,[link widoczny dla zalogowanych].
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