Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12891-021-04883-5/MediaObjects/12891_2021_4883_Fig1_HTML.png)
Measurement of Fusion Site Lordosis (FSL) postoperatively (left), then I would like to put the pic. on the left side or we have to write (up) and at last follow-up (right), then I would like to put it on the right side or we have to write down instead of right