Reply to the letter to the editor regarding ‘Classification characteristics of a chronic low back pain population using a combined McKenzie and patho-anatomical assessment’

We would like to address the questions raised in the letter as they are presented. We acknowledge and respect the outstanding work of Robin McKenzie and the work which continues to be conducted by the McKenzie Institute and its members. Combining a McKenzie assessment with patho-anatomical classifications was never meant as a substitute for the McKenzie classifications and subgroupings which is an established classification process. However, we wish to clarify some details.

The syndrome prevalence we report differs to previous studies, but our study sample is not comparable to the populations reported in the previous studies cited...