Objective (1) To study the reliability of four measurement methods (Borden method, Modified Borden method, Angle method 1, Angle method 2) for cervical lordosis.

• 目的 (1)研究目前四种常用的测量颈椎曲度方法(Borden氏测量法、改良Borden氏测量法、夹角测量法1、夹角测量法2)的可靠性。