Table 1.
Staining scores of the roots of the brachial plexus according to the position of the forelimb to be blocked
| Positioning of forelimbs | FAD | FAB | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cats | 1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 4 | 5 | 6 |
| Nerves | ||||||||||||
| Suprascapularis N | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Subscapularis N | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| Axillaris N | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Musculocutaneous N | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Radialis N | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Medianus N | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ulnaris N | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
FAD = forelimbs adducted to the side; FAB = the forelimb to be blocked abducted 90° and the other one adducted to the side; 1 = nerve stained; 2 = nerve not stained