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Frequency of Abnormal MRI Findings for Each Lumbar Level (N = 29 Players)
| Lumbar Level | |||||
|---|---|---|---|---|---|
| L1-2 | L2-3 | L3-4 | L4-5 | L5-S1 | |
| Schmorl nodes | 3 | 3 | 0 | 1 | 1 |
| Osteochondrosis | 3 | 5 | 2 | 12 | 11 |
| Disc bulging | 0 | 1 | 0 | 4 | 1 |
| Disc protrusion | 0 | 0 | 0 | 6 | 8 |
| Disc extrusion | 0 | 0 | 0 | 1 | 1 |
| Disc compression | 0 | 0 | 0 | 5 | 6 |
| Spondylolysis | 0 | 0 | 1 | 1 | 5 |
| Spondylolisthesis | 0 | 0 | 0 | 1 | 1 |
| Pfirrmann grade | |||||
| 1 | 19 | 21 | 22 | 13 | 12 |
| 2 | 6 | 3 | 4 | 2 | 3 |
| 3 | 2 | 4 | 3 | 9 | 5 |
| 4 | 2 | 1 | 0 | 5 | 9 |
| 5 | 0 | 0 | 0 | 0 | 1 |
| Modic changes grade | |||||
| 1 | 0 | 0 | 0 | 0 | 0 |
| 2 | 1 | 0 | 1 | 2 | 3 |
| 3 | 0 | 0 | 0 | 0 | 0 |
