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Radiographic data
| Radiographic findings | Athletes | |
|---|---|---|
| Spondylolysis | L5 | 1 |
| Absent | 17 | |
| Spina bifida | L5 | 1 |
| S1 | 7 | |
| Absent | 10 | |
| L1-L5 lordosis | 10-20° | 8 |
| 21-30° | 6 | |
| 31-40° | 4 | |
| Sacral angle | 20-35° | 6 |
| 36-40° | 6 | |
| 41-55° | 6 |
Lordosis and sacral angle: for parameters, see text
