Abstract: ObjectiveTo observe the effect of muscle stimulating instrument in enforcing muscle stone of children with cerebral palsy after selective posterior rhizotomy(SPR).Methods106 patients were divided into two groups,treatment group(n=51) and control group(n=55).Two groups received routine rehabilitation therapy,otherwise,treatmwnt group were treated with the muscle stimulating instrument after SPR.Pretreatment and 30d,60d,180d after treatment,muscle stone of two groups was measured and compared.ResultsImprovement of treatment group in muscle stone was better than that of control group(P<0.01).ConclusionMuscle stimulating instrument is effective to improve muscle tone of children with cerebral palsy after SPR.

Key words: muscle stimulating instrument, muscle stone, cerebral palsy, selective posterior rhizotomy