971963.fig.0011
Figure 11: Checcucci technique for the axillary nerve block. A line is drawn between the posterolateral angle of the acromion and the olecranon tip of the elbow. The needle insertion is 2 cm cephalad to the convergence of this line with the perpendicular line originating from the axillary fold (Checcucci et al. [4]). (Reprinted with permission from Elsevier.)