Effect of Mirror Visual Feedback on Upper Extremity Function and Wrist Proprioception in Cerebral Palsy Children with Hemiparesis

Abstract

Abstract:The function of the affected side in the hemiplegic cerebral palsy is influenced by muscle tone abnormality, change of proprioception, diminished power, and decreased the speed of movement, weak grasp, and release functions. Mirror therapy (MT) is a therapeutic technique that uses the interaction of visuomotor-proprioception inputs to improve movement performance of the affected limb. This study was done to investigate the effects of mirror visual feedback exercises on upper extremity function and on the alternation of wrist proprioception in children with hemiparesis. Thirty-two children with spastic hemiparesis from both sexes ranging in age from five to seven years represented the sample of the study. They were assigned randomly into two groups of equal number (control and study). Every child in both groups was evaluated at baseline and after 3 months of intervention using The Quality of Upper Extremity Skills Test to evaluate movement patterns and hand function. Also, electro-goniometer was used to assess repositioning error through Active Reproduction of Active Positioning test (ARAP). The control group received a selected exercise program, while the study group received mirror visual feedback (MVF) exercises program training in addition to the same exercise program given to control group. Comparison of the pretreatment results of the two groups revealed no significant differences in all variables, while significant improvements were observed in all the measuring variables of the two groups when comparing their pre and post-treatment mean values. Significant differences were also observed when comparing the post-treatment results of the two groups in favor of the study group. MVF exercises could be used together with a therapeutic exercise program for the enhancement of hand function and wrist proprioception in children with hemiparesis.