Chen Baisong,Ying Hao,Chen Mengjie.Analysis of spatiotemporal and kinematic parameters in gait analysis of children with cerebral palsy with different motor function grades[J].Journal of Clinical Pediatric Surgery,,21():510-515.[doi:10.3760/cma.j.cn101785-202202060-003]
Analysis of spatiotemporal and kinematic parameters in gait analysis of children with cerebral palsy with different motor function grades
- Keywords:
- Cerebral Palsy/CO; Muscle Spasticity/CO; Motor Activity; Lower Extremity; Gait; Evaluation Studies
- Abstract:
- Objective To quantitatively evaluate motor function of lower extremities in children with spastic cerebral palsy by using spatiotemporal and kinematic parameters of three-dimensional gait analysis, compare the differences in spatiotemporal and kinematic parameters of gait analysis with different motor function grades and provide quantitative method for severity assessment of spastic cerebral palsy.Methods According to the gross motor function classification system (GMFCS), 90 children aged 6-12 years with spastic cerebral palsy of grades Ⅰ, Ⅱ and Ⅲ were selected and divided into 3 groups (n=30 each).And 30 normal children were selected as controls.The spatiotemporal and kinematic parameters of children with cerebral palsy and normal children were collected by three-dimensional gait analysis system and the differences analyzed by ANOVA and multiple comparisons between multi-sample means.Results After statistical analysis, step length/width and stride speed/frequency/length in spatiotemporal parameters of gait analysis declined statistically significantly in children with cerebral palsy as compared with normal children (P<0.05).And the values further decreased with higher GMFCS grade.While gait cycle and double support time became prolonged in children with cerebral palsy (P<0.05) and further elongated with higher GMFCS grade; Motion angle of hip, knee and ankle joints in kinematic parameters in children with cerebral palsy were statistically significantly lower than those in normal children (P<0.05).Maximum flexion angle of hip, maximum/minimum flexion angles of knee and maximum dorsiflexion angle of ankle dropped markedly while minimum flexion angle of hip became obviously elevated (P<0.05).With higher GMFCS grade, motion angle of joint gradually declined while maximum flexion angle of hip, maximum/minimum flexion angle of knee and maximum dorsiflexion angle of ankle gradually dropped and minimum flexion angle of hip gradually spiked.No statistically significant difference existed in maximum plantar flexion angle of ankle (P>0.05).Conclusion The spatiotemporal and kinematic parameters in gait analysis can quantitatively evaluate the motor function of lower extremity in children with spastic cerebral palsy.Correlated with a wider gap of gait parameters between spastic cerebral palsy and normal children, higher GMFCS grade indicates worse motor function of lower extremities.
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Memo
收稿日期:2022-02-27。
基金项目:上海交通大学"转化医学交叉研究基金"（ZH2018QNB13）
通讯作者:陈梦婕,Email:13818455513@163.com