Summary of features of each hamstring injury episode
| Clinical severity42 | Imaging severity43 (and interventions) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Episode | Days until next episode | Onset | In | Mechanism | Clinical grade | AKE deficit | Days to walk pain free | Grade | Site | Distance from ischial tuberosity44 | Days to RTT | Days to RTP | Eccentric strength sessions pre-RTP | Team training sessions pre-RTP | Games missed | Games played to next episode |
| 1 | 46 | Sudden | Match | Sprint | 2 | 15° | 2 | 2 | Long head | 11.7 cm | 21 | 30 | 6 | 5 | 3 | 3 |
| 2 | 49 | Insidious | Theme park | Walking-2 days postgame | 1 | 0° | 1 | 0 | N/A | N/A | 7 | 16 | 5 | 4 | 1 | 1 |
| 3 | 27 | Sudden on gradual | Training | Kicking (shooting at goal) | 1 | 0° | 1 | 1 | Long head | 23.6 cm | 10 | 21 | 7 | 4 | N/A preseason | 1 |
| Day 1: epidural #1 | ||||||||||||||||
| 4 | 35 | Gradual | Match | After long high-speed run | 1 | 0° | 1 | 2 | Long head | 27.9 cm | 25 | 34 | 11 | 7 | 4 | 0 |
| Day 17: Epidural #2 | ||||||||||||||||
| 5 | Sudden | Match | Low speed run 2 min after 81 min on bench | 1 | 0° | 2 | Myo-fascial tear | Short head | 28 cm | 28 | 38 | 12 | 7 | 5 | ||
| Day 5: lumbar routine, sitting and upright MRI commence aggressive neural sliders | ||||||||||||||||
| Day 10: actovegin injections | ||||||||||||||||