 The piriformis and obturator internus tendons and adjacent gemelli were tenotomized close to their femoral insertion, tagged, and retractor was placed in the lesser notch as well as a malleable retractor in the greater notch enabling the exposure of the posterior column. 
The piriformis and obturator internus tendons and adjacent gemelli were tenotomized close to their femoral insertion , tagged , and retractor was placed in the lesser notch as well as a malleable retractor in the greater notch enabling the exposure of the posterior column .