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KMID : 1142420220200020295
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PNF and Movement
2022 Volume.20 No. 2 p.295 ~ p.306
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Short-Term Clinical Effects of Robot-Assisted Gait Training Applied to Patients Undergoing Lower Extremity Surgery: A Pilot Study
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Lee Ha-Min
Kwon Jung-Won
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Abstract
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Purpose: This study aimed to investigate the effect of robot-assisted gait training on the active ranges of motion, gait abilities, and biomechanical characteristics of gait in patients who underwent lower extremity surgery, and to verify the effectiveness and clinical usefulness of robot-assisted gait training.
Methods: This study was conducted on 14 subjects who underwent lower extremity surgery. The subjects participated in robot-assisted gait training for 2 weeks. The active ranges of motion of the lower extremities were evaluated, and gait abilities were assessed using 10-m and 2-min walk tests. An STT Systems Inertial Measurement Unit was used to collect data on biomechanical characteristics during gait. Spatiotemporal parameters were used to measure cadence, step length, and velocity, and kinematic parameters were used to measure hip and knee joint movement during gait.
Results: Significant improvements in the active ranges of motion of the hip and knee joints (flexion, extension, abduction, and adduction) and in the 10-m and 2-min walk test results were observed after robot-assisted gait training (p < 0.05). In addition, biomechanical characteristics of gait, spatiotemporal factors (cadence, step length, and velocity), and kinematic factors (gait hip flexion?extension, internal rotation?external rotation angle, and knee joint flexion?extension) were also significantly improved (p < 0.05).
Conclusion: The results of this study are of clinical importance as they demonstrate that robot-assisted gait training can be used as an effective intervention method for patients who have undergone lower extremity surgery. Furthermore, the findings of this study are clinically meaningful as they expand the scope of robot-assisted gait training, which is currently mainly applied to patients with central nervous system conditions.
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KEYWORD
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Robot-assisted gait training, Gait ability, Total hip replacement, Total knee replacement, Lower extremity surgery, Gait rehabilitation
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