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Figure 2 Stimulation points for the short-segment ulnar nerve conduction study
The black dots represent the stimulation points for the ulnar nerve located in the ulnar groove (marked without prime). The ragged dots indicate the stimulation points for the dislocated ulnar nerve tracked by ultrasonography (marked with a prime). P = midpoint in the ulnar groove between the tip of the medial epicondyle and the olecranon. P2 = 2 cm proximal to point P. D2 = 2 cm distal to point P. P' = the closest ulnar nerve point from the tip of the medial epicondyle tracked by ultrasonography. MET = medial epicondyle tip.
