Fig. 1From: Ultrasound-guided para-umbilical block: a pediatric caseThe injection between the rectus muscle and the posterior sheath. The tip of the needle (yellow arrow) is on the posterior lobe of the rectus sheath. The deposition of injected local anesthetic (blue semicircle) is observed behind the rectus abdominis muscle. RAM rectus abdominis muscle, IOM internal oblique muscle, TAM transversus abdominis muscleBack to article page