Answer to the Letter to the Editor of Z. He et al. concerning “Comparison of cervical sagittal parameters among patients with neck pain and healthy controls: a comparative cross-sectional study” by Jouibari MF et al. (Eur Spine J; 2019: https://doi.org/10.1007/s00586-019-06117-8)

[摘要] We would like to thank the authors of the Letter to the Editor concerning our recent publication titled “Comparison of cervical sagittal parameters among patients with neck pain and healthy controls: a comparative cross-sectional study [1]” for reading and providing a platform for further discussion regarding the cervical sagittal balance, which is our feld of research interest. In this Letter to the Editor, the authors have some concerns regarding the methodology of our study. While we believe that the methodology of the study is not fawless and future studies need to be more accurate, the following explanations may further clear the design and data gathering of the study.