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Influence of a 10-week controlled exercise program on resting blood pressure in sedentary older adults
Huang G, Thompson CJ, Osness WH
The Journal of Applied Research 2006;6(3):188-195
clinical trial
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: No; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: The objective of this study was to determine the efficacy of a 10-week controlled aerobic exercise program on resting blood pressure (BP) and magnitude of BP change response to such training in sedentary elderly individuals. METHODS: Previously sedentary participants aged 75 years and older were randomized to either a control or one of two exercise groups. Subjects in exercise groups performed aerobic exercise at moderate or high intensity, 3 days per week for 40 minutes per session. Resting BP was measured in sitting position at pre- and post-intervention. RESULTS: The high-intensity exercise group showed a significant reduction in resting systolic BP (-7.8 mmHg) and diastolic BP (-9.6 mmHg). Significant BP decreases for the moderate-intensity exercise group were only observed on diastolic BP (-8.4 mmHg) but not systolic BP (-5.2 mmHg, p = 0.25). CONCLUSION: The data suggest that the lowering effect of a 10-week aerobic exercise program on resting systolic BP may be closely related to the training intensity. However, other regimens may have influence on the reduction of resting diastolic BP.

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