Why the study?
Acute cardiovascular responses to a complete training session of low-load resistance exercise with blood flow restriction remained uncertain compared to high-load resistance exercise.
Does low-load resistance exercise with blood flow restriction produce similar acute hemodynamic responses compared to high-load resistance exercise in healthy individuals?
Population
160 healthy individuals across nine articles
Comparison
Low-load resistance exercise with blood flow restriction vs high-load intensity resistance exercise
Design
Systematic review and meta-analysis
Follow-up
Up to 60 min post-exercise
Key result
Low-load resistance exercise with blood flow restriction yielded similar HR (p=0.23) and SBP (p=0.57) but higher DBP and lower RPP (p<0.01) immediately post-exercise compared to high-load exercise.
Authors
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BFR yields similar acute hemodynamic responses to HI; confirms viability as low-load alternative in healthy adults.
Meta-Analysis (n=160)
Does low-load resistance exercise with blood flow restriction produce similar acute hemodynamic responses compared to high-load resistance exercise in healthy individuals?
p-value: p=0.23 for HR, 0.57 for SBP, <0.01 for DBP and RPP
Low-load resistance exercise with blood flow restriction produces similar acute hemodynamic responses and post-exercise hypotensive effects as high-load resistance exercise in healthy individuals.
Macedo et al. (2024) conducted a meta-analysis in healthy individuals (n=160). Low-load intensity resistance exercise with blood flow restriction (BFR) vs. High-load intensity resistance exercise (HI) was evaluated on heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP), and rate pressure product (RPP) immediately after exercise (p=0.23 for HR, 0.57 for SBP, <0.01 for DBP and RPP). Low-load resistance exercise with blood flow restriction yielded similar HR (p=0.23) and SBP (p=0.57) but higher DBP and lower RPP (p<0.01) immediately post-exercise compared to high-load exercise.
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