TABLE 5.

Most Common Injuries by Type (Major League Baseball)^a

	Single Sport (n = 216)	Multisport (n = 110)	P
Shoulder impingement/tendonitis	39	14	.046
Elbow sprain	23	7
UCL tear requiring Tommy John surgery	21	11
Lumbar strain	20	11
Oblique strain	17	12
Hamstring strain	14	12

^aData are shown as No. of injuries. Bold indicates P < .05. UCL, ulnar collateral ligament.