Jedi Grip vs. Double Operator Technique for Axillary Brachial Plexus Block

on goup C, operator used the probe and needle with different hands while an assistant controlling the syringe to aspirate or inject local anesthetic. On Group J single operator controlled the probe with one hand while controlling the needle and the syringe on the other hand with the Jedi technique. The needle was held between the index finger and the middle phalanx of the middle finger, and the syringe was held with fingers 4 and 5, with the plunger part to the thumb in the palm.