• Medicine · Nov 2023

    Randomized Controlled Trial

    Effect of blood flow restriction as a stand-alone treatment on muscle strength, dynamic balance, and physical function in female patients with chronic ankle instability.

    • Waleed S Mahmoud, Nadia L Radwan, Marwa M Ibrahim, Shahnaz Hasan, Aiyshah M Alamri, and Abeer R Ibrahim.
    • Department of Health and Rehabilitation Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia.
    • Medicine (Baltimore). 2023 Nov 3; 102 (44): e35765e35765.

    BackgroundBlood Flow Restriction (BFR) training has gained popularity as a novel training strategy in athletes and rehabilitation settings in recent years.ObjectiveTo investigate whether BFR as a stand-alone treatment would affect muscle strength, dynamic balance, and physical function in female patients with chronic ankle instability (CAI).MethodsThirty-nine patients with CAI were randomly allocated into 1 of 3 groups: BFR as a stand-alone (BFR) group, BFR with rehabilitation (BFR+R) group, and rehabilitation (R) group. All groups trained 3 times per week for 4 weeks. One week before and after the intervention, strength of muscles around ankle joint, 3 dynamic balance indices: Overall Stability Index, Anterior-Posterior Stability Index, and Medial-Lateral Stability Index, and physical function were assessed via an isokinetic dynamometer, the Biodex Balance System, and the Foot and Ankle Disability Index, respectively.ResultsThe strength of muscles around ankle and dynamic balance indices improved significantly in BFR + R and R groups (P < .006), but not in BFR group (P > .006). All dynamic balance indices showed improvement in BFR + R and R groups except the Medial-Lateral Stability Index (P > .006). Foot and Ankle Disability Index increased significantly in BFR + R and R groups (P < .006), however; no improvement occurred in BFR group (P > .006).ConclusionsThe BFR as a stand-alone treatment hasn't the ability to improve the strength of muscles around the ankle, dynamic balance, and physical function in females with CAI compared to the BFR + R or the R program. In addition, the strength of muscles around the ankle correlated significantly with both dynamic balance and physical function in BFR + R and R groups.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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