Correction to: BMC Musculoskelet Disord 22, 142 (2021)

https://doi.org/10.1186/s12891-021-04006-0

Following the publication of the original article [1] the authors noticed that the author's name of "Qing Zeng" was misspelled as "Qi Zeng" in the published version.

The original article [1] has been updated.