The patient may be either sitting or supine.
病人可坐位或仰卧位。
Reading is a quiet activity and it will often induce sleep in the supine position. Especially if it's a dreary textbook or work paper.
阅读是一种很安静的活动，特别是在阅读工作文件或者阅读的内容很枯燥时，仰卧的姿势容易使人入睡。
Sometimes, in a case of dynamic DS the vertebral slipping cannot be seen on the standard supine radiographs or MRI.
有时在动态退行性椎体滑移时，标准的仰卧位放射检查或者MRI检查可能无法发现椎体滑移。
应用推荐