The Journal of foot and ankle surgery : official publication of the American College of Foot and Ankle Surgeons · 2026
Comparative effects of platelet-rich plasma, exercise therapy, and myofascial superficial back line manual therapy on balance, posture,and function in chronic ankle instability: A three arm randomized controlled trial.
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Çakıcı İlayda, Cerbezer Nilüfer, Tuğçe Çil Elif
Аннотация
BACKGROUND: Chronic ankle instability is a musculoskeletal disorder involving repeated ankle sprains, reduced joint position sense, and postural imbalance. Although exercise-based rehabilitation is essential, variations in program design and a focus on local stabilization limit overall effectiveness.
PURPOSE: This randomized controlled study compared platelet-rich plasma injection, platelet-rich plasma combined with a structured exercise program, and manual therapy focusing on the myofascial superficial back line in terms of pain, proprioception, posture, balance, and function.
STUDY DESIGN: A Three-Arm Randomized Controlled Trial METHODS: Forty-seven participants were randomly divided into three groups: platelet-rich plasma injection (three ultrasound-guided intra-articular applications at two-week intervals), platelet-rich plasma with exercise (the same injections plus an eight-week supervised exercise program), and manual therapy (an eight-week fascial-based intervention).
RESULTS: All groups showed significant improvements after treatment (p < 0.05). Platelet-rich plasma injection produced the greatest pain reduction (Visual Analog Scale Δ=-6.94). The platelet-rich plasma with exercise and manual therapy groups showed superior improvements in posture and functional outcomes, including Foot and Ankle Ability Measure (Δ=+20.58), Cumberland Ankle Instability Tool (Δ=+9.94), and posture score (Δ=-5.93). Dynamic balance improved significantly, particularly in the platelet-rich plasma with exercise group.
CONCLUSION: While platelet-rich plasma provides strong analgesic benefits, its combination with exercise or fascial-based manual therapy yields broader gains in posture, proprioception, and function, supporting multimodal rehabilitation in chronic ankle instability.
PURPOSE: This randomized controlled study compared platelet-rich plasma injection, platelet-rich plasma combined with a structured exercise program, and manual therapy focusing on the myofascial superficial back line in terms of pain, proprioception, posture, balance, and function.
STUDY DESIGN: A Three-Arm Randomized Controlled Trial METHODS: Forty-seven participants were randomly divided into three groups: platelet-rich plasma injection (three ultrasound-guided intra-articular applications at two-week intervals), platelet-rich plasma with exercise (the same injections plus an eight-week supervised exercise program), and manual therapy (an eight-week fascial-based intervention).
RESULTS: All groups showed significant improvements after treatment (p < 0.05). Platelet-rich plasma injection produced the greatest pain reduction (Visual Analog Scale Δ=-6.94). The platelet-rich plasma with exercise and manual therapy groups showed superior improvements in posture and functional outcomes, including Foot and Ankle Ability Measure (Δ=+20.58), Cumberland Ankle Instability Tool (Δ=+9.94), and posture score (Δ=-5.93). Dynamic balance improved significantly, particularly in the platelet-rich plasma with exercise group.
CONCLUSION: While platelet-rich plasma provides strong analgesic benefits, its combination with exercise or fascial-based manual therapy yields broader gains in posture, proprioception, and function, supporting multimodal rehabilitation in chronic ankle instability.