Key result
Low-intensity resistance training with blood flow restriction reduced resting systolic blood pressure (Δ = -7.9 mmHg; p=0.002) in older adults, while autonomic modulation remained unchanged.
Why the study?
Training-related effects of resistance training with blood flow restriction on blood pressure and cardiac autonomic modulation in the elderly remain unclear.
Does low-intensity resistance training with blood flow restriction reduce resting blood pressure and alter cardiac autonomic modulation in physically inactive older adults?
Comparison
Low-intensity RT with BFR vs high-intensity RT without BFR vs low-intensity RT without BFR
Design
Three-group comparative intervention study
Follow-up
12 weeks
Authors
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May support BFR-augmented training for BP reduction in older adults; leaves open confirmation in larger randomized trials.
RCT (n=32)
Does low-intensity resistance training with blood flow restriction reduce resting blood pressure and alter cardiac autonomic modulation in physically inactive older adults?
Standardized Mean Difference: 0.62
p-value: p=0.002
A 12-week program of low-intensity resistance training with blood flow restriction substantially reduces resting blood pressure in older adults compared to traditional resistance training, without altering cardiac autonomic modulation.
Lopes et al. (2021) conducted an RCT in Physical inactivity in older adults (n=32). Low-intensity resistance training with soft blood flow restriction (BFR) vs. High-intensity (70% 1RM) and low-intensity (30% 1RM) resistance training without BFR was evaluated on Systolic blood pressure (effect size = 0.62, p=0.002). Low-intensity resistance training with blood flow restriction reduced resting systolic blood pressure (Δ = -7.9 mmHg; p=0.002) in older adults, while autonomic modulation remained unchanged.
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