The Effect of Blood Flow Restriction Training on Lower Limb Balance in Patellofemoral Pain Syndrome: A Randomized Controlled Trial

Document Type : Original Article

Authors

1 Physical Therapy Department, Almenshawy General Hospital, Tanta

2 Department of Musculoskeletal System Disorders and its Surgeries, Physical Therapy, Cairo University

3 Department of Orthopedic physical therapy, Faculty of Physical therapy, Pharos University in Alexandria

4 4. Department of Orthopedic Surgery, Faculty of Medicine, Tanta University

5 Department of Musculoskeletal System Disorders and its Surgeries, Physical Therapy, Cairo University.

10.21608/iptccu.2025.443806

Abstract

Background: Patellofemoral pain syndrome (PFPS) is a common cause of anterior knee pain, often associated with impaired lower limb balance. Blood Flow Restriction Training (BFRT) has emerged as a promising adjunct to conventional strengthening exercises to improve functional outcomes.
Purpose: To investigate the effect of BFRT added to strengthening exercises on lower limb dynamic balance in patients with PFPS.
Subjects and Assessment: Thirty-eight patients with PFPS were randomized into two groups: Group I received strengthening exercises alone (n=19), and Group II received strengthening exercises combined with BFRT (n=19). Interventions were conducted three times weekly for six weeks. SEBT was assessed at baseline, and after 6 weeks.
Results: Both groups demonstrated significant improvements in SEBT scores over time (p < 0.001). However, no statistically significant differences were observed between groups at post-treatment results point (p > 0.05).
Conclusion: Strengthening exercises, with or without BFRT, effectively improve lower limb dynamic balance in PFPS patients. BFRT did not show additional benefits over strengthening exercises alone within six weeks.
 

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