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February 1, 2017Physiological ReportsOpen Access

Hemodynamic responses are reduced with aerobic compared with resistance blood flow restriction exercise

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Key result

Light-intensity aerobic exercise with blood flow restriction elicited lower systolic blood pressure (124 ± 2 mmHg) than high-intensity exercise (140 ± 3 mmHg, P<0.05).

Why the study?

Does light-intensity exercise with blood flow restriction produce different hemodynamic responses compared to high-intensity or light-intensity exercise without BFR?

Population

Participants (no specific demographic or clinical details provided in the abstract)

Comparison

Light-intensity exercise with blood-flow… vs Light-intensity exercise without BFR and…

Design

RCT, Randomized crossover design

Authors

AMAnthony K. MayMonash Alfred Psychiatry Research centreCBChristopher R. BrandnerAspire AcademySWStuart A. WarmingtonPreventive Cardiology

Discussion

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Member takes

Implication

May support aerobic BFR exploration in select clinical populations; leaves open confirmation of resistance BFR safety.

Study Design

Type

RCT

Randomization

crossover

Structured PICO

Does light-intensity exercise with blood flow restriction produce different hemodynamic responses compared to high-intensity or light-intensity exercise without BFR?

P
Population
Participants (no specific demographic or clinical details provided in the abstract)
I
Intervention
Light-intensity exercise with blood-flow restriction (LI + BFR) at 80% resting systolic blood pressure, performed as either leg-press (resistance) or treadmill (aerobic)
C
Comparator
Light-intensity exercise without BFR (LI) and high-intensity exercise (HI)
O
Outcome
Hemodynamic responses (cardiac output, stroke volume, heart rate, and blood pressure) at baseline and during exercisesurrogate

Main Result

p-value: p=<0.05

Light aerobic BFR exercise produces lower hemodynamic responses than resistance BFR exercise, suggesting it may be a safer alternative for developing muscle size and strength in clinical populations contraindicated for heavy-load resistance exercise.

Cite This Study

May et al. (2017) reported an RCT. Light-intensity exercise with blood-flow restriction (LI+BFR) vs. High-intensity (HI) and light-intensity (LI) non-BFR exercise was evaluated on Hemodynamic responses (cardiac output, stroke volume, heart rate, and blood pressure) (p=<0.05). Light-intensity aerobic exercise with blood flow restriction elicited lower systolic blood pressure (124 ± 2 mmHg) than high-intensity exercise (140 ± 3 mmHg, P<0.05).

synapsesocial.com/papers/6a6c074178a09e5ab7b3c138https://doi.org/10.14814/phy2.13142
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Arterial blood pressure response to heavy resistance exercise1985 · 967 citations
  2. 2Unilateral bicep curl hemodynamics: Low‐pressure continuous vs high‐pressure intermittent blood flow restriction2014 · 103 citations
  3. 3Hemodynamic response to resistance exercise with and without blood flow restriction in healthy subjects2014 · 96 citations
  4. 4Effects of Leg Blood Flow Restriction during Walking on Cardiovascular Function2010 · 196 citations
  5. 5Hemodynamic Responses to Resistance Exercise With Restricted Blood Flow in Young and Older Men2012 · 55 citations