Correction to: BMC Musculoskelet Disord 22, 526 (2021)

https://doi.org/10.1186/s12891-021-04389-0

Following the publication of the original article [1] the authors noticed a typo error in Table 4. The data “5 (2.1)” should be changed to “2.5 (2.1)”.

The original article [1] has been updated.