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May 8, 2025Physical Therapy in SportOpen Access

Blood flow restriction training compared to conventional training in people with knee pain: a systematic review with meta-analysis

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Why the study?

To evaluate the efficacy of blood flow restriction training compared to conventional training in people with knee conditions.

Does adding blood flow restriction training to resistance training improve pain, function, or strength in people with knee conditions?

Population

418 participants across 15 RCTs with knee conditions

Comparison

Blood flow restriction training added to resistance training vs resistance training alone

Design

Systematic review and meta-analysis of randomised controlled trials

Authors

CZCamilla ZeitlinMSMatthew ShepherdSLSimon Lack

Discussion

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Member takes

Overview

BFRT may aid short-term knee pain management; extends RCT meta-evidence but leaves strength and function benefits open.

Structured PICO

Does adding blood flow restriction training to resistance training improve pain, function, or strength in people with knee conditions?

P
Population
15 RCTs involving 418 participants with knee conditions (post-anterior cruciate ligament reconstruction [n=7], cartilage surgery [n=2], knee osteoarthritis [n=3], and patellofemoral pain [n=3]).
I
Intervention
Blood flow restriction training (BFRT) added to resistance training
C
Comparator
Resistance training alone
O
Outcome
Pain outcomespatient reported

Adding blood flow restriction training to resistance training for knee conditions provides a small, clinically questionable short-term pain benefit without improving function or strength.

Limitations

  • Very low certainty evidence
  • Questionable clinical relevance of the pain effect

Cite This Study

Zeitlin et al. (2025) studied this question.

synapsesocial.com/papers/6a70aa8a31a3df824328eb71https://doi.org/10.1016/j.ptsp.2025.05.004
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Also Consider

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

  1. 1The Efficacy of Blood Flow Restriction Training to Improve Quadriceps Muscle Function after ACL Reconstruction2024 · 24 citations
  2. 2Blood Flow Restriction Training Applied With High-Intensity Exercise Does Not Improve Quadriceps Muscle Function After Anterior Cruciate Ligament Reconstruction: A Randomized Controlled Trial2020 · 83 citations
  3. 3The feasibility, safety, and efficacy of lower limb garment-integrated blood flow restriction training in healthy adults2023 · 6 citations
  4. 4Global, regional prevalence, incidence and risk factors of knee osteoarthritis in population-based studies2020 · 1,644 citations
  5. 5Variables associated with successful outcome after anterior cruciate ligament reconstruction in recreational athletes: A prospective cohort study2022 · 4 citations