Table 4. .
Exposure and Injury Data
| Variable |
Season |
Time Lost Breakdown |
||
| 2009 Referent |
2010 Intervention |
2009 Referent |
2010 Intervention |
|
| Total exposures | 1612 | 1802 | ||
| Injury incidence per 1000 exposures | 8.1 | 2.2 | ||
| Training hours | 2104.5 | 2389.5 | ||
| Match hours | 313.5 | 313.5 | ||
| Training injuries | 10 | 2 | ||
| Match injuries | 3 | 2 | ||
| Injuries per 1000 training hours | 4.8 | 0.8 | ||
| Injuries per 1000 match hours | 9.6 | 6.4 | ||
| Days lost (lower extremity injury) | 291 | 52 | ||
| Total injuries | 13 | 4 | ||
| Specific injury incidence | ||||
| Hip flexor strain | 1 | 0 | 5 | 0 |
| Hamstrings strain | 5 | 1 | 13, 14, 14, 17, 35 | 10 |
| Quadriceps strain | 3 | 0 | 15, 18, 65 | 0 |
| Groin strain | 1 | 0 | 21 | 0 |
| Knee medial collateral ligament sprain | 0 | 1 | 0 | 5 |
| Knee meniscus injury | 1 | 0 | 32 | 0 |
| Lower leg (tibial stress injury) | 1 | 1 | 26 | 20 |
| Ankle sprain | 0 | 0 | 0 | 0 |
| Midfoot sprain | 1 | 0 | 16 | 0 |
| First metatarsophalangeal joint sprain (turf toe) | 0 | 1 | 0 | 17 |