Correction to: BMC Musculoskelet Disord 22, 89 (2021)

https://doi.org/10.1186/s12891-021-03951-0

Following the publication of the original article [1] the authors found that panels b and d in Fig. 3 have the same image. The original article [1] has been updated.

The correct Fig. 3 is shown below.

Fig. 3
figure 1

Changes in posterior slope during virtual simulation with SPOI 20° (a), SPOI 10° (b), SPOI: 0° (c), and SPOI -10° (d)