Background Not all anterior cruciate ligament (ACL) injuries are preventable. While some
ACL injuries are unavoidable such as those resulting from a tackle, others that occur in non …

Purpose The purpose of this article is to present recommendations for new muscle strength
and hop performance criteria prior to a return to sports after anterior cruciate ligament (ACL) …

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 …

Background: Anterior cruciate ligament (ACL) reinjury results in worse outcomes and
increases the risk of posttraumatic osteoarthritis. Purpose: To identify the risk factors for both …

Prospective studies on risk factors for lower extremity injury are reviewed. Many intrinsic and
extrinsic risk factors have been implicated; however, there is little agreement with respect to …

Purpose: The literature has shown that anterior cruciate ligament (ACL) tear rates vary by
gender, by sport, and in response to injury-reduction training programs. However, there is no …

Background: An injury to the anterior cruciate ligament (ACL) is a multifactorial event
influenced by intrinsic and extrinsic risk factors. Recently, the geometry of the proximal tibia …

Background: Tearing an anterior cruciate ligament (ACL) graft is a devastating occurrence
after ACL reconstruction (ACLR). Identifying and understanding the independent predictors …

Background: The evidence linking knee kinematics and kinetics during a vertical drop jump
(VDJ) to anterior cruciate ligament (ACL) injury risk is restricted to a single small sample …

Objective: To describe the epidemiology of injuries in the Australian Football League (AFL)
over four seasons. Methods: An injury was defined as “any physical or medical condition that …