H反射是一低阈值、脊髓单突触反射。由I_A类纤维传入,可代表脊髓前角运动神经元的兴奋性。本文以H反射为指标,通过划消试验来了解心理作业对运动神经元的影响。实验对象是医学院男、女大学生,随机 H-reflex is a low threshold of spinal synaptic reflex. I_A fibers introduced by the class, can represent the excitability of motor neurons in the anterior horn of the spinal cord. In this paper, H reflex as an indicator, by eliminating the test to understand the impact of psychological work on motor neurons. The subjects were male and female college students, randomized