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KMID : 1195020200160010055
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Archives of Orthopedic and Sports Physical Therapy
2020 Volume.16 No. 1 p.55 ~ p.62
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A Proposal for Lower-Extremity Motor Function Rehabilitation Based on Preliminary Observation on the Abnormal Co-contraction Patterns of Ankle Muscles in Post-stroke Patients
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Lim Jong-Min
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Abstract
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Purpose: This study was aimed to investigate the differences in the co-contraction index of ankle muscles’activities and proposed the rehabilitation methods in terms of special physical education based on the clinicalfindings.
Methods: A total of ten participants (5 stroke patients and 5 normal adults) were participated in this study.
Their two ankle muscles (tibialis anterior and gastrocnemius muscles) were measured by electromyography(EMG) during the gait cycle and then, the muscle activities were calculated as a co-contraction index (CCI).
Finally, the indexes between stroke patients and normal adults were compared.
Results: As a result, CCI during the stance phase in the gait cycle was significantly higher in stroke patientsthan normal adults (p=.047). In addition, each group showed a significant difference in CCI between thestance and swing phase through within-group analysis (p=.043).
Conclusion: In this study, stroke patients showed a higher CCI during the gait cycle, especially, in the stancephase. In conclusion, when considering the higher CCI would provide double-sidedness; 1) a demerit is thehigher CCI would decrease in the mobility of ankle joint, whereas, 2) a merit is to increase in the stabilityof the ankle joint to protect fall-down, I proposed that as a lower-extremity rehabilitation method, sportsactivity, and aerobic exercise, using an online virtual reality technology will be necessary to ensure the safetyof sports game as well as the enjoyment to maximize the quality of post-stroke life. Therefore, professionalsin the field of special physical education should actively enlarge their education and development skills tothe field of new biotechnology.
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KEYWORD
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Gait movement, Lower-extremity, Motor function, Rehabilitation, Post-stroke healthcare, Sports physical therapy, Virtual and augmented reality
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