推拿对脑瘫小儿胫神经性屈肌M波和F波反应的影响

Effect of Massage on M-Waves and F-Responses from Muscle Flexor Hallucis to Tibial Nerve Stimulation in Children with Cerebral Palsy

用体表无创伤性双极刺激胫神经的方法，研究了30例脑瘫患儿推拿治疗前、后屈肌肌电M波和F波反应。结果治疗后，肌电阈值降低，患侧M波电压增大，F波降低，左、右脚M和F波基本相等。M波峰潜伏时延长，患侧Fn有意义（P＜0．05）。总之，除2倒无变化（7．41％），1例变差（3．7％）外，显效率为25．93％，有效率为88．89％。提示推拿能改善患儿脊髓前角细胞和骨骼肌的功能活动。

M-waves and F-responses were investigated before and after massage using the bipolar surface electrodes to stimulate the tibial nerve at the ankle recorded by bipolar surface electrodes from the muscle flexor hallucis in 30 children with cerebral palsy. After treatment, the amplitudes of the M-wave increased (P＜0.05 ); F-response reduced (P＜0.05 )in the lesion side. The observations were made bilaterally and the results revealed no significant differences(P＞0.05 )by comparing side to side. The latencies of Mwaves prolonged to 6. 09 ～8. 28ms(P<0.05 );F-responses 29. 07～3l. 42ms(only Fn wave was P＜0.05in the lesion side). The significant efficiency was 25. 93 %,the efficiency was 88. 89 % except that 2 objects did not change and one continued to deteriorate. The experimental results suggest that the massage can improve the functional disorder of the skeletal muscle and the ventral horn of the spinal cord.