Effect of supra-malleolar orthosis and articulated ankle foot orthosis on temporospatial parameters of children with hemiplegic cerebral palsy

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Effect of supra-malleolar orthosis and articulated ankle foot orthosis on temporospatial parameters of children with hemiplegic cerebral palsy

 

Author: Ho, Hsin-yu Margaret
Title: Effect of supra-malleolar orthosis and articulated ankle foot orthosis on temporospatial parameters of children with hemiplegic cerebral palsy
Degree: M.Sc.
Year: 2006
Subject: Hong Kong Polytechnic University -- Dissertations.
Hemiplegics.
Orthopedic apparatus.
Foot -- Abnormalities -- Treatment.
Ankle -- Abnormalities -- Treatment.
Cerebral palsied children -- Rehabilitation.
Department: Dept. of Health Technology and Informatics
Pages: vii, 75 leaves : ill. (some col.) ; 31 cm.
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b2090234
URI: http://theses.lib.polyu.edu.hk/handle/200/1698
Abstract: This study was conducted to compare the effect of articulated Ankle-Foot Orthosis (AAFO) and Supra-Malleolar Orthosis (SMO) on the temporospatial gait parameters of children with hemiplegic cerebral palsy. Children with hemiparesis always walk with foot equinus deformity at the affected side. Ankle-foot orthoses are prescribed to hemiplegic patients to improve their gait by correcting the equinus ankle to its functional position. The drop foot gait on the affected side is prevented. The 3-point forces control system is the main component to correct the foot equinus deformity. However, the SMO does not have the posterior long lever arm to produce the 3-point pressure control to the affected foot. Previous studies on the tone-inhibiting effect of SMO are controversial. There is a lack of scientific evidence as to which type of orthoses provides a distinct clinical advantage with regard to the improvement of ambulation. A study was conducted to investigate the effect of AAFO and SMO on the temporospatial gait parameters of children with hemiplegic cerebral palsy. The temporospatial parameters included the step length, stride length, velocity and the stance time with and without the orthoses. Five subjects were recruited to participate in this study. One-way Repeated Measures Analysis of Variance was performed to analysis the mean of each temporospatial parameter. The results indicated that the affected side step length was significantly increased by the using of AAFO whereas the stride length was significantly increased by using the SMO. It was concluded that both articulated AFO and SMO could improve the gait of hemiplegic children with mild spasticity.

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