Table 1. Nerve the IC of hand surgery in tetraplegic patients and AISA scores.
| IC motor group | Key muscle | AISA level | Key muscle |
|---|---|---|---|
| 0 | Biceps | C5 | Biceps |
| 1 | Brachioradialis | ||
| 1 | Brachioradialis | C6 | ECRL |
| 2 | ECRL | ||
| 3 | ECRB | ||
| 4 | PT | ||
| 4 | PT | C7 | Triceps |
| 5 | FCR | ||
| 6 | ED | ||
| 7 | EPL | ||
| 8 | FDS | C8 | FDP |
| 9 | FDS and FDP |
Abbreviations: ASIA, American Spinal Injury Association; ECRB, extensor carpi radialis brevis; ECRL, extensor carpi radialis longus; ED, extensor digitorum; EPL, extensor pollicis longus; FCR, flexor carpi radialis; FDP, flexor digitorum profundus; FDS, flexor digitorum superficialis; IC, International Classification; PT, pronator teres.