Background There is limited knowledge on epidemiological injury data in judo. Objective To
systematically review scientific literature on the frequency and characteristics of injuries in …

There are two interrelated types of epidemiologic research: descriptive and analytic.
Quantifying injury occurrence (how much) with respect to who is affected by injury, where …

Background: The incidence of second anterior cruciate ligament (ACL) injuries in the first 12
months after ACL reconstruction (ACLR) and return to sport (RTS) in a young, active …

The purpose of this investigation was to determine the association between gender and the
prevalence and incidence of patellofemoral pain syndrome (PFPS). One thousand five …

Objective Incidence rate (IR) of an ipsilateral or contralateral injury after anterior cruciate
ligament reconstruction (ACLR) is unknown. The hypotheses were that the IR of anterior …

BACKGROUND: Ongoing monitoring of concussion rates and distributions is important in
assessing temporal patterns. Examinations of high school sport-related concussions need to …

Context: Sports participation is one of the leading causes of concussions among nearly 8
million US high school student-athletes. Objective: To describe the epidemiology of sport …

Background Identifying risk factors for knee pain and anterior cruciate ligament (ACL) injury
can be an important step in the injury prevention cycle. Objective We evaluated two unique …

Background: Anterior cruciate ligament (ACL) injuries are disabling and are associated with
the early onset of posttraumatic osteoarthritis. Little is known regarding the incidence rate of …

Background: Recently, structured training programs for sports injury prevention (“The 11”
and “The 11+”) have been validated in soccer. The FIFA 11+ program has not been …