TABLE 2.

Number of Athletes With >1 Spinal Level Affected: Distribution by MRI Parameter^a

	Number of Levels Affected
	0	1	2	3	4
Schmorl nodes	24	3	1	1
Osteochondrosis	11	8	6	3
Disc bulging	23	6
Disc protrusion	18	8	3
Disc extrusion	27	2
Disc compression	24	1	3	1
Spondylolysis	23	5	1
Spondylolisthesis	27	2
Pfirrmann grade 3-5	15	12	1	1
Modic changes grade 2	7	9	10	1	2

^aOnly 7 of 29 athletes had no pathological changes.