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October 29, 2025Journal of Orthopaedic ReportsOpen Access

Blood flow restriction training after anterior cruciate ligament reconstruction: A scoping review

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Why the study?

While meta-analyses confirmed average benefits of blood flow restriction training after ACL reconstruction, the influence of specific protocol parameters and outcome reporting breadth remained unclear.

Does blood flow restriction training improve strength, hypertrophy, and functional outcomes in adults undergoing anterior cruciate ligament reconstruction?

Population

13 studies of adults undergoing ACLR with sample sizes ranging 18-46

Comparison

Blood flow restriction training vs comparators or controls

Design

Scoping review adhering to PRISMA-ScR guidelines

Authors

ZRZhang RuoyiAAAmirzeb AurangzebDSDinesh Sirisena

Discussion

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Overview

BFRT protocol optimization after ACLR remains unclear; leaves open optimal timing and outcomes for future trials.

Structured PICO

Does blood flow restriction training improve strength, hypertrophy, and functional outcomes in adults undergoing anterior cruciate ligament reconstruction?

P
Population
13 studies (7 RCTs, 2 pilot RCTs, 1 quasi-randomized prehab trial, 1 retrospective comparative study, 1 pre-post with controls, and 1 acute biomechanics study) enrolling adults undergoing anterior cruciate ligament reconstruction (ACLR). Sample sizes ranged 18-46 per study. 12 of 13 studies enrolled young adults after primary ACLR.
I
Intervention
Blood flow restriction training (BFRT) applied during prehabilitation or postoperative rehabilitation. Protocols associated with superior outcomes employed individualized occlusion pressures near 80% AOP/LOP, early initiation (≤2 weeks post-op), and 2-3 sessions per week for 6-12 weeks.
C
Comparator
Standard rehabilitation or control.
O
Outcome
Strength and hypertrophy outcomes, functional performance, and patient-reported outcome measures (PROMs).

Blood flow restriction training after ACLR is safe and can accelerate early quadriceps recovery, particularly in the first 6-12 weeks, serving as an effective bridge to conventional high-load training.

Cite This Study

Ruoyi et al. (2025) studied this question.

synapsesocial.com/papers/6a70df07e71d69abee08e9dahttps://doi.org/10.1016/j.jorep.2025.100804
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Also Consider

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

  1. 1Effects of a Perioperative Blood Flow Restriction Therapy Program on Early Quadriceps Strength and Patient-Reported Outcomes After Anterior Cruciate Ligament Reconstruction2023 · 22 citations
  2. 2Effect of quadriceps training at different levels of blood flow restriction on quadriceps strength and thickness in the mid-term postoperative period after anterior cruciate ligament reconstruction: a randomized controlled external pilot study2023 · 41 citations
  3. 3Comparison of Blood Flow Restriction Interventions to Standard Rehabilitation After an Anterior Cruciate Ligament Injury: A Systematic Review2024 · 14 citations
  4. 4Exercise with Blood Flow Restriction to Improve Quadriceps Function Long After ACL Reconstruction2019 · 86 citations
  5. 5‘Real world’ clinical implementation of blood flow restriction therapy does not increase quadriceps strength after quadriceps tendon autograft ACL reconstruction2024 · 7 citations