Table 8.

Most Common Injuries Associated With Position in Competitions in High School Boys' and Collegiate Men's Lacrosse^a

Position	HS RIO (2008–2009 Through 2013–2014)			NCAA-ISP (2004–2005 Through 2013–2014)
	Most Common Injuries	Injuries Within Position (%)	Most Frequent Mechanism of Injury for This Injury Within Position	Most Common Injuries	Injuries Within Position (%)	Most Frequent Mechanism of Injury for This Injury Within Position
Attacker	Concussion	22.5	Contact with another person	Concussion	17.2	Contact with another person
	Ankle sprain	8.2	No contact	Ankle sprain	14.4	Contact with another person
				Shoulder sprain	8.4	Contact with another person
Defense	Concussion	29.8	Contact with another person	Hip/thigh/upper leg muscle strain	16.3	No contact
	Ankle sprain	11.1	No contact	Ankle sprain	12.7	No contact
				Concussion	9.6	Contact with another person
				Knee sprain	9.6	Contact with another person
Goalkeeper	Concussion	31.7	Contact with another person	Hip/thigh/upper leg muscle strain	20.8	No contact
	Hand/wrist fracture/avulsion	19.5	Contact with ball	Hand/wrist fracture/avulsion	12.5	Contact with ball
				Knee sprain	12.5	No contact
Midfielder	Concussion	31.1	Contact with another person	Concussion	15.1	Contact with another person
	Ankle sprain	7.0	Contact with another person, no contact (tied)	Ankle sprain	12.2	No contact
				Hip/thigh/upper leg muscle strain	11.8	No contact

Abbreviations: HS RIO, High School Reporting Information Online; NCAA-ISP, National Collegiate Athletic Association Injury Surveillance Program.

^aExcluded 47 competition injuries reported in HS RIO and 43 competition injuries reported in the NCAA-ISP due to position not being indicated. The table reads as follows: For the attacker position in high school, concussions comprised 22.5% of all competition injuries to that position. The most common mechanism of injury for this specific injury for this specific position was contact with another person. High school data originated from HS RIO surveillance data, 2008–2009 through 2013–2014; collegiate data originated from the NCAA-ISP surveillance data, 2004–2005 through 2013–2014. Injuries included in the analysis were those that (1) occurred during a sanctioned practice or competition; (2) were evaluated or treated (or both) by an athletic trainer, physician, or other health care professional; and (3) restricted the student-athlete from participation for at least 24 hours past the day of injury. All concussions, fractures, and dental injuries were included in the analysis, regardless of time loss. Data may include multiple injuries that occurred at 1 injury event.