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December 27, 2012Scandinavian Journal of Medicine and Science in Sports

Muscular adaptations after two different volumes of blood flow‐restricted training

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Why the study?

Does blood flow restriction training improve muscle strength and thickness compared to high-intensity training?

Population

Individuals (sample size and demographics not specified in abstract)

Comparison

Low-volume, low-intensity blood flow restriction… vs Traditional high-intensity resistance training…

Design

Other

Follow-up

5 weeks

Authors

JMJuan Martín‐HernándezUniversidad Europea Miguel de CervantesPMPedro J. MarínMental Research InstituteHMHéctor MenéndezUniversidad Europea Miguel de Cervantes

Discussion

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Implication

BFRT yields smaller strength gains than HIT without volume benefit; leaves open its role when high loads are contraindicated.

Key Points

  • The aim was to analyze muscle strength and thickness adaptations following different volumes of blood flow restriction training compared to high-intensity training.
  • Participants were divided into four groups: low-volume BFRT, high-volume BFRT, high-intensity resistance training, and control.
  • Assessments included leg extension one repetition maximum (1RM) and muscle thickness of rectus femoris and vastus lateralis before and after 5 weeks of training.
  • BFRT LV showed a 7.03% increase in 1RM (P < 0.05), BFRT HV showed a 6.24% increase (P < 0.05), while HIT showed an 18.86% increase (P < 0.001).
  • Muscle thickness of RF increased by 7.5% (P < 0.001) and VL by 9.9% (P < 0.001) across all groups.

Structured PICO

Does blood flow restriction training improve muscle strength and thickness compared to high-intensity training?

P
Population
Individuals (sample size and demographics not specified in abstract)
I
Intervention
Low-volume, low-intensity blood flow restriction training (BFRT LV) or high-volume, low-intensity blood flow restriction training (BFRT HV) for 5 weeks
C
Comparator
Traditional high-intensity resistance training (HIT) and a control group maintaining routine activities (CON)
O
Outcome
Muscle strength (leg extension 1RM, isokinetic peak knee extension, and flexion torques at 60°/s and 180°/s) and skeletal muscle thickness (rectus femoris and vastus lateralis) after 5 weekssurrogate

Doubling the exercise volume with blood flow restriction training provides no additional benefit for muscular size or strength, and high-intensity training yields greater strength gains.

Cite This Study

Martín‐Hernández et al. (2012) studied this question.

synapsesocial.com/papers/6a217db54f27a676ef8b7e4dhttps://doi.org/10.1111/sms.12036
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Exercise intensity and muscle hypertrophy in blood flow–restricted limbs and non‐restricted muscles: a brief review2012 · 111 citations
  2. 2Relative safety of 4 weeks of blood flow‐restricted resistance exercise in young, healthy adults2010 · 236 citations
  3. 3Moderate Resistance Training Volume Produces More Favorable Strength Gains Than High or Low Volumes During a Short-Term Training Cycle2005 · 99 citations
  4. 4The Accuracy of Prediction Equations for Estimating 1-RM Performance in the Bench Press, Squat, and Deadlift1997 · 228 citations