英语语法分析

Aim: to summarize the pathological characteristics of myotonic dystrophy (DM).

目的：总结强直性肌营养不良(DM)的肌肉病理特点。

Quick movements cause muscle stiffening. There is also a myotonic form of muscular dystrophy.

快速运动会引起肌强直，肌营养不良是另一种肌强直类型。

Clinical and electrophysiological investigations were made in 20 members from 4 myotonic dystrophy (MD) families.

对患有萎缩性肌强直(MD)的4个家系的20名成员进行了临床及电生理调查研究。