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BFR Training for Post ACLR
Sponsor: Udayana University
Summary
This randomized clinical trial is designed to compare three different rehabilitation methods for patients who have undergone anterior cruciate ligament (ACL) reconstruction. The study aims to determine whether low-load blood flow restriction training (LL-BFRt) is more effective than high-load eccentric training (HL-Et) and a sham LL-BFRt in improving three key areas: patellar position, muscle morphology, and leg function. Study Design and Interventions Participants will be randomly assigned to one of the three intervention groups. All groups will perform eccentric exercises, including single leg squats, single leg deadlifts, lateral step downs, and single leg calf raises. The key differences lie in the load and the use of blood flow restriction: LL-BFRt Group: Participants will train at 30% of their repetition maximum (RM) while a cuff restricts blood flow to 70% of their artery occlusion pressure (AOP). HL-Et Group: Participants will train at a higher intensity, using 70% of their repetition maximum (RM), with no blood flow restriction. Sham LL-BFRt Group: Participants will perform the same exercises as the LL-BFRt group at 30% of their RM, but the cuff will not be inflated to a pressure that restricts blood flow. After the training period, the researchers will compare the outcomes across all three groups to see which method leads to the most significant improvements in patella position, muscle morphology, and leg function.
Official title: The Effectiveness of Blood Flow Restriction Training on Patellar Position, Muscle Morphology, and Lower Limb Function in Patients After Anterior Cruciate Ligament Reconstruction
Key Details
Gender
All
Age Range
15 Years - 35 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2025-09-01
Completion Date
2026-09-01
Last Updated
2025-08-27
Healthy Volunteers
No
Conditions
Interventions
Low load-BFRt
The participants' two legs will be subjected to 70% arterial occlusion pressure when the physical therapist applies the BFR cuffs. After that, participants will be required to complete eccentric exercises with a maximum repetition count of 30%, such as single leg squat, single leg deadlift, lateral step down, dan single leg calf raise.
Sham Low load-BFRt
The participants' two legs will be subjected to 10% arterial occlusion pressure when the physical therapist applies the BFR cuffs. After that, participants will be required to complete eccentric exercises with a maximum repetition count of 30%, such as single leg squat, single leg deadlift, lateral step down, dan single leg calf raise.
High load-Eccentric training
The physical therapist will instruct the participants to complete eccentric exercises at a maximum of 70% repetitions, such as single leg squat, single leg deadlift, lateral step down, dan single leg calf raise.
Locations (1)
Physical therapy laboratory, College of Medicine, Universitas Udayana and ROM Physiotherapy Private Clinic Denpasar
Denpasar, Bali, Indonesia