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KMID : 0357220150270010043
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Journal of Korean Society Physical Therapy
2015 Volume.27 No. 1 p.43 ~ p.49
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The Effect of Hinged Ankle-Foot Orthosis on Walking Function in Children With Spastic Diplegic Cerebral Palsy: A Cross-Sectional Pilot Study
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Kang Jeong-Hyeon
Kim Chang-Yong
Ohn Jin-Moo
Kim Hyeong-Dong
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Abstract
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Purpose: The aim of the current study was to examine the effects of hinged ankle-foot orthosis (HAFO) on walking function in children with spastic diplegic cerebral palsy (CP).
Methods: Thirty-two children (mean age: 6.79±0.35 years, age range: 5-7 years) who were diagnosed with spastic diplegic cerebral palsy participated in the study. Each subject typically walked through 10 meters of a gait platform with markers on the subject's proper body segments and underwent 3-D motion analysis system with and without hinged ankle-foot orthosis. The HAFOs were all custom-made for individual CP children and had plantarflexion stop at 0° with no dorsiflexion stop. The interventions were conducted over three trials in each group, and measurements were performed on each subject by one examiner in three trials. 3-D motion analysis system was used to measure gait parameters such as walking velocity, cadence, step-length, step-width, stride-length, and double support period in two conditions.
Results: The walking velocity, cadence, step-length, and stride-length were significantly greater for the HAFO condition as compared to the no HAFO condition (p<0.05). However, no significant difference in step-width and double support period was observed between two conditions.
Conclusion: These findings suggest that using the HAFO during walking would suggest positive evidence for improving the spatiotemporal parameters of gait in children with spastic diplegic cerebral palsy.
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KEYWORD
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Cerebral palsy, Hinged ankle-foot orthosis, Motion analysis, Walking function
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