Table 5 Grades of echogenicity in different muscles at the two evaluations
Grade | 1st evaluation (n = 80, both sides) | 2nd evaluation (n = 80, both sides) | |
|---|---|---|---|
Biceps brachii | I | 36 (45%) | 16 (20%) |
II | 44 (55%) | 28 (35%) | |
III | 0 | 36 (45%) | |
IV | 0 | 0 | |
Forearm extensors | I | 80 (100%) | 32 (40%) |
II | 0 | 48 (60%) | |
III | 0 | 0 | |
IV | 0 | 0 | |
Tibialis anterior | I | 36 (45%) | 0 |
II | 44 (55%) | 20 (25%) | |
III | 0 | 44 (55%) | |
IV | 0 | 16 (20%) | |
Quadriceps | I | 28 (35%) | 0 |
II | 32 (40%) | 12 (15%) | |
III | 20 (25%) | 68 (85%) | |
IV | 0 | 0 |