Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12891-019-2822-7/MediaObjects/12891_2019_2822_Fig4_HTML.png)
The effect of continuous popliteal sciatic nerve block (CPSNB) on VAS score at 72 h as compared with the single-injection group
The effect of continuous popliteal sciatic nerve block (CPSNB) on VAS score at 72 h as compared with the single-injection group