目的：本实验旨在研究伸展或联合伸展及侧方屈曲是否能使纤维环的突出部分向髓核方向移动。

Objective. This study investigated whether extension or combined extension and side flexion could move the displaced portion of nucleus from the anulus towards the nucleus.

youdao

目的：本实验旨在研究伸展或联合伸展及侧方屈曲是否能使纤维环的突出部分向髓核方向移动。

Objective. This study investigated whether extension or combined extension and side flexion could move the displaced portion of nucleus from the anulus towards the nucleus.

youdao