Fig. 2
From: A minimally invasive surgical approach for the treatment of piriformis syndrome: a case series
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs41016-020-00189-y/MediaObjects/41016_2020_189_Fig2_HTML.png)
Illustration of displaying stimulation and identification of the sciatic nerve using a nerve stimulator. The piriformis muscle is elevated with a hand-held retractor in this process