Table 2.

Staining length (cm) (mean [range]) over the target nerves of the brachial plexus according to the position of the forelimb to be blocked

Positioning of forelimbs	FAD	FAB
Nerves
Suprascapularis N	0.3 (0.3)	0
Subscapularis Nn	0.3 (0.3)	0.3 (0.3)
Axillaris N	0.4 (0.2–0.5)	1.3 (0.7–2)
Musculocutaneous N	0.38 (0.3–0.4)	1.43 (0.7–2)
Radialis N	0.4 (0.3–0.5)	1.65 (0.9–2)
Medianus N	0.44 (0.3–0.5)	1.8 (1–2)
Ulnaris N	0.46 (0.3–0.6)	1.8 (1–2)

FAD = forelimbs adducted to the side; FAB = the forelimb to be blocked abducted 90° and the other one adducted to the side