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Effects of Intermittent Versus Continuous Blood Flow Restriction Training on Pain, Functional Ability, Muscle Strength and Exercise Perception Among Female Patients With Grade II Knee Osteoarthritis

NCT07722975 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 84

Last updated 2026-07-23

No results posted yet for this study

Summary

This study holds significant clinical, academic, and practical importance in the field of musculoskeletal rehabilitation. Clinically, it addresses a critical need to identify an effective and tolerable strengthening strategy for females with early-stage knee osteoarthritis. By directly comparing intermittent and continuous BFR protocols, the findings will provide physiotherapists with evidence-based guidance for optimizing exercise prescription while minimizing discomfort and improving adherence.Academically, this research contributes to the limited body of literature comparing different BFR application strategies in knee osteoarthritis. The inclusion of exercise perception outcomes adds valuable insight into patient-centered rehabilitation, which is often underrepresented in clinical trials.From a practical and societal perspective, identifying a more tolerable BFR approach may enhance long-term exercise participation, delay disease progression, and reduce healthcare burden associated with knee osteoarthritis. The findings may also support the integration of low-load BFR training into rehabilitation programs in resource-limited clinical settings.

Conditions

  • Knee Osteoarthristis

Interventions

OTHER

Intermittent blood flow training (iBFR)

Hamstrings stretching, 3 repetitions of 30 s, Bridge with isometric contraction of the transversus abdominis-CORE training, 3 repetitions of 30 s, Hip abduction with weights , 3 sets of 10 repetitions, Calm exercises with an elastic band, 3 sets of 10 repetitions, Calf raises with weights , 3 sets of 10 repetitions, Sensori-motor training at mini-trampoline, 3 repetitions of 30 s, Leg press, 0-60°, 4 sets of 10 repetitions, Seated knee extension , 90-0° of knee flexion, 4 sets of 10 repetitions. In the iBFR group, the cuff is deflated during each set's rest period and is quickly reinflated to the target pressure 20-30 s into the rest, ensuring the entire rest period does not exceed 45 s . Intensity: 20- 30% of 1RM with BFR cuffs, Frequency: 3 sessions per week for 12 weeks. Each session comprises a 10-min warm up with static cycling, a 30-min exercise program, and a 15-min cool down. BFR cuff from Hhccteo company will be used. pressure:130-150 mmHg, cuff width 5-7cm

OTHER

Continuous blood flow training (cBFR)

Hamstrings stretching, 3 repetitions of 30 s, Bridge with isometric contraction of the transversus abdominis-CORE training, 3 repetitions of 30 s, Hip abduction with weights (side lying), 3 sets of 10 repetitions, Calm exercises (side lying) with an elastic band, 3 sets of 10 repetitions, Calf raises with weights (standing), 3 sets of 10 repetitions, Sensori motor training (standing) at mini-trampoline, 3 repetitions of 30 s, Leg press (machine), 0-60°, 4 sets of 10 repetitions, Seated knee extension, 90-0° of knee flexion, 4 sets of 10 repetitions. In the cBFR group, the Intensity of excersise will be 20-30% of 1RM with BFR cuffs ,Frequency: 3 sessions per week for 12 weeks. Each session comprises a 10-min warmup with static cycling, a 30-min exercise program, and a 15-min cool down. BFR cuff from Hhccteo company will be used. The parameters will be pressure: 130-150 mmHg, cuff width 5-7 cm. Progressive overload will be applied by gradually increasing repetitions or load as tolerated

Sponsors & Collaborators

  • Lahore University of Biological and Applied Sciences

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
40 Years
Max Age
49 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-05-01
Primary Completion
2026-07-10
Completion
2026-07-20

Countries

  • Pakistan

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07722975 on ClinicalTrials.gov