Using the Flexor Reflex in a Chronic Stroke Patient for Gait Improvement: A Case Report

Area of Science:

• Neuroscience
• Rehabilitation Medicine
• Biomedical Engineering

Background:

• Stroke often leads to hemiparesis, severely impacting walking ability.
• The flexor reflex (withdrawal reflex) is a protective mechanism involving limb flexion.
• Activating the flexor reflex may offer a novel approach to improving gait in stroke survivors.

Observation:

• A case study involving a chronic stroke patient with severe walking impairment was conducted.
• The patient underwent gait assessments with and without flexor reflex activation using the Incedo® system.
• Gait velocity, stride length, and foot elevation were analyzed before, during, and after a 3-week training period.

Findings:

• Flexor reflex activation at baseline improved gait velocity.
• Following 3 weeks of training, the patient's walking speed doubled compared to baseline.
• Gait improvements were sustained at a 3-week follow-up, with kinematic analysis showing increased stride length and foot elevation during reflex activation.

Implications:

• Flexor reflex activation is a feasible intervention for improving gait parameters in chronic stroke patients.
• This approach demonstrates potential for enhancing walking ability even in cases of severe impairment.
• Further research into flexor reflex activation could lead to new rehabilitation strategies for post-stroke gait disorders.