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Vascular Occlusion Training for Inclusion Body Myositis: A Novel Therapeutic Approach
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Is There a Minimum Effective Dose for Vascular Occlusion During Blood Flow Restriction Training?

Arpan Das1, Bruce Paton1

  • 1Institute of Sports, Exercise and Health, Department of Medical Sciences, University College of London, London, United Kingdom.

Frontiers in Physiology
|April 25, 2022
PubMed
Summary

Blood flow restriction (BFR) training requires specific parameters for optimal results. A minimum of 30% of one repetition max (1RM) with 50-80% limb occlusion pressure (LOP) is recommended for strength gains comparable to high-intensity training.

Keywords:
1RMBFRbloodflow restriction trainingdosagekaatsuone repetition maximumrehabilitationstrength training

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Rehabilitation Medicine

Background:

  • Blood flow restriction (BFR) training enables significant strength and hypertrophy gains at lower exercise intensities.
  • Optimal parameters for BFR, specifically limb occlusion pressure (%LOP) and percentage of one repetition max weight (%1RM), remain unclear.
  • This review synthesizes current literature to determine effective BFR training protocols.

Approach:

  • A comprehensive literature search was conducted across major scientific databases (PubMed, Scopus, Wiley Online, Springer Link).
  • Studies were included if they utilized BFR with resistance training, specified %LOP and %1RM, and included a non-BFR control group.
  • Twenty-one studies met the inclusion criteria for analysis.

Key Points:

  • Training at %1RM ≤20% or ≥80% did not yield significant strength improvements.
  • %LOP of ≤50% or ≥80% also failed to produce significant strength gains.
  • Optimal BFR protocols may involve moderate exercise intensity and lactate accumulation.

Conclusions:

  • A minimum of 30% 1RM with BFR is necessary for strength gains equivalent to high-intensity training.
  • Moderate intensity training (40-60% 1RM) with BFR may surpass high-intensity non-BFR training, though research is limited.
  • An optimal %LOP range of 50-80% is recommended for effective BFR training.