Table 1.
*Includes 4 T-balls.
†Training device for baseball pitchers.
‡Baseball, football, karate, soccer, basketball, and hockey.
§Closed or open fist (including jab, push, slap).
Reprinted with permission from: Maron BJ, Gohman TE, Kyle SB, Estes NA, 3rd, Link MS. Clinical profile and spectrum of commotio cordis. JAMA 2002;287(9):1142-6. Copyright © (2002), American Medical Association. All rights reserved.