Fig. 1From: Continuous pericapsular nerve group block for postoperative pain management in total hip arthroplasty: report of two casesUltrasound images showing sonoanatomy while performing pericapsular nerve group block. White arrowheads shows the block needle. 1 = femoral artery; 2 = psoas tendon; 3 = iliopubic eminence; 4 = anteroinferior iliac spineBack to article page