Cheerleading fall-related injuries in the United States, 2006–2007, according to Cheerleading RIO (Reporting Information Online). A, Body part injured, and B, type of injury by team type. All Star: n = 18; college: n = 16; high school: n = 40. Other includes diaphragm spasm (“having the wind knocked out”), spondylolysis, and pain. Abbreviation: ACL, anterior cruciate ligament. Note: Middle and elementary school teams were not included in this figure because of small sample sizes.