Nerve stimulation patterns for axillary block^[1]

Terminal nerves	Acceptable motor stimulation pattern
Musculocutaneous	Elbow flexion
Median	Thumb opposition, finger flexion, wrist flexion
Radial	Finger extension, wrist extension
Ulnar	Fourth and fifth finger flexion, wrist flexion, ulnar deviation

Reference:

Borene SC, Edwards JN, Boezaart AP. At the cords, the pinkie towards: Interpreting infraclavicular motor responses to neurostimulation. Reg Anesth Pain Med 2004; 29:125.

Graphic 131314 Version 1.0

Nerve stimulation patterns for axillary block[1]