TABLE 9.

Distribution of Elbow Injuries by Field Surface^a

	Field Turf	Natural Grass	Unknown	Total
Instability	1529	1661	0	3189
Elbow impingement	28	22	0	51
Elbow infection	44	19	0	63
Elbow laceration	28	19	0	47
Elbow osteochondritis dissecans	0	21	0	21
Tendinitis	43	49	0	92
Olecranon bursitis	173	42	55	271
Ulnar collateral ligament strain	708	373	0	1082
Ulnar nerve subluxation	37	21	0	58
Total	2590	2227	55	4874

^aData are shown as No.