Data sources Seven databases were searched in December 2021. Eligibility criteria Observational or interventional studies with self-reported activity (including return to sport) or knee-related ...

The anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) are two major ligaments in the knee that work together to provide stability. They are also common sites of serious tears, ...

Sometimes, an allograft (a tendon from a deceased donor, called a cadaver) is used to reconstruct the torn ACL. Research suggests there is no benefit to using one type of graft versus another. An ...