| GRADE | DESCRIPTION | MR IMAGING AT 24-48HRS |
|---|---|---|
|
0n 0a 0b |
Referred pain Focal muscle pain following exercise Generalised muscle pain |
Normal Normal Patchy diffuse signal |
|
1a 1b |
Small myofascial tear Small MTJ tear |
Involves fascial border, <10% CSA and <5cm CC Involves MTJ, <10% and <5cm. May have <1cm fibre disruption |
|
2a 2b 2c |
Moderate myofascial tear Moderate MTJ tear Moderate intratendinous tear |
Involves fascial border, <50% CSA and <15cm CC Involves MTJ, <50% and <15cm. May have <5cm fibre disruption Tendon involved <50% ,<5cm and no discontinuity |
|
3a 3b 3c |
Extensive myofascial tear Extensive MTJ tear Extensive intratendinous tear |
Involves fascial border, >50% CSA and >15cm CC Involves MTJ, >50% and >15cm. >5cm fibre disruption Tendon involved >50%, >5cm, Loss of tendon tension |