Grade | Ultrasound findings |
---|---|
0 | No ultrasound features seen |
1 | Muscle oedema only |
2a | Partial tears of muscle fibres, disruption involving <33% |
2b | Partial tears of muscle fibres, disruption involving ≥ 33 – 66% |
2c | Partial tears of muscle fibres, disruption involving ≥ 66 - 99% |
3 | Complete tear of muscle |