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介绍兔眼外肌肌电图的测量方法,测定了兔103条眼外肌运动单位电位的平均电压及时程。上、下、内、外直肌的平均电压及时程分别为:92.59μv和2.35ms,98.40μV和2.04ms,96.25μv和2.08ms,93.68μv和2.15ms。并测量了11只家兔的眼上、下、内、外直肌的长度,宽度及止点的平均值,观察了眼外肌的解剖特点。此工作为眼肌电的临床应用和实验研究提供了正常的参考数值。
This paper introduces the measurement of EMG of rabbit extraocular muscles and measures the average voltage and time course of 103 extraocular muscles in rabbits. The average voltage and duration of upper, lower, inner and outer rectus muscles were 92.59μv and 2.35ms, 98.40μV and 2.04ms, 96.25μv and 2.08ms, 93.68μv and 2.15ms, respectively. The average length, width and stop point of the upper, lower, inner and outer rectus muscles of 11 rabbits were measured. The anatomic characteristics of extraocular muscles were observed. This work for the clinical application of ophthalmic myoelectricity and experimental study provides a normal reference value.