北京生物医学工程

4～6岁正常儿童下肢表面肌电参数特征的研究

A Surface Electromyographic Analysis for Lower Limbs of Normal Children with 4 to 6 Years of Age

作者：应灏罗义袁颖王志中俞王新

单位：上海交通大学医学院附属上海市儿童医院(上海200040)

分类号：

出版年·卷·期（页码）：2011·30·3（278-282）

摘要：

目的采用表面肌电仪测量4~6岁正常儿童下肢表面肌电参数，探讨利用肌电参数进行小儿骨科疾病临床诊断的可行性。方法在舒适、安静的室内条件下，测定90名4～6岁正常儿童下肢主要肌肉表面肌电参数的数据，包括双侧股直肌、腓肠肌、内收肌、胫前肌的表面肌电数据，计算出上述肌电数据的均值、峰谷比、能谱熵、平均频率和过零率等。结果在同一种动作下，4~6岁儿童的各项特征均值比较接近；在同一种特征下，不同动作的特征值存在差异；sEMG具有相当强的个体差异性，这反映在各项特征的方差比较大；正常儿童左右腿差异不明显。结论通过表面肌电图，可无创地记录4~6岁儿童的下肢肌肉活动，为临床诊断提供了有效的参考。

Aims To measure the values of surface electromyography of the lower limbs from normal children from 4 to 6 years old, and to evaluate the feasibility of diagnosing the children orthopedic disorders by electromyography parameters in clinic. Materials and methods In this study, ninety children from 4 to 6 years old were involved. The electromyographic data were recorded bilaterally for femoris rectus, gastrocnemius, adductus longus and tibialis anterialis when the children performed the asked 4 actions. The calculated parameters included root mean square, peak to trough value of root mean square, energy spectrum entropy, mean frequency of power spectrum and zero-crossing rates. Results The electromyographic data were similar between children with different ages for each action, however the data were different between 4 actions. No significant difference was found between left limbs and right limbs. Conclusions Surface electromyography is a noninvasive and convenient method for testing the muscular activities of lower limbs for children with 4 to 6 years of age and might be helpful to clinical diagnosis and treatment of lower limb diseases in children.

参考文献：

1］Maquet D,Croisier JL,Dupont C,et al.Fibromyalyalgia and related conditions:electronyogram profile during isometric muscle contraction［J］.Joint Bone Spine,2010,77(3):264-267.
［2］Gonzalez-Izal M,Falla D,Izquierdo M,et al.predicting force loss during dynamic fatiguing exercises from non-linear mapping of features of the surface electronyogram［J］.J Neutosci Methods,2010,190(2):271-278.
［3］Hermens HJ, Freriks B, Merletti R, et al. European recommendations for surface electromyography, results of the SENIAM project［M］. Netherlands:Roessingh Research and Development, 1999.
［4］Jurell KC. SurfaceEMGand fatigue［J］. Phys Med Rehabil ClinNAm,1998,9:933-947.
［5］Sutherland DH, Olshen R, Cooper L, et al. The development of mature gait［J］. J Bone Joint Surg Am,1980,62(3):336-353.
［6］Chang WN, Lipton JS, Tsirikos A, et al. Kinesiological surface electromyography in normal children: range of normal activity and pattern analysis［J］. J Electromyogr Kinesiol,2007,17:437-445.
［7］Lauer RT, Pierce SR, Tucker CA, et al. Age and electromyographic frequency alterations during walking in children with cerebral palsy［J］. Gait Posture, 2010,31(1):136-139.
［8］Pierce SR, Barbe MF, Barr AE, et al. The Roles of reflex activity and co-contraction during the assessment of spasticity of knee flexors and knee extensors in children with cerebral palsy with different functional levels［J］. Phys Ther,2008,88(10):1124-1134.
［9］Wakeling J, Delaney R, Dudkiewicz I, et al. A method for quantifying dynamic muscle dysfunction in children and young adults with cerebral palsy［J］.Gait Posture, 2007,25(4):580-589.

［10］Romkes J, Hell AK, Brunner R. Changes in muscle activity in children with hemiplegic cerebral palsy while walking with and without ankle-foot orthoses［J］. Gait Posture, 2006,24(4):467-474.
［11］Py AG, Zein Addeen G, Perrier Y, et al. Evaluation of the effectiveness of botulinum toxin injections in the lower limb muscles of children with cerebral palsy. Preliminary prospective study of the advantages of ultrasound guidance［J］.Ann Phys Rehabil Med,2009,52(3):215-223.
［12］Patikas D, Wolf SI, Schuster W, et al. Electromyographic patterns in children with cerebral palsy: do they change after surgery?［J］ Gait Posture,2007,26(3):362-371.

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