Context

The tibial menisci are prone to injury with age and degeneration-causing repetitive microtrauma as well as with more obvious trauma such as twisting on a planted leg or anterior cruciate ligament tear. The criterion standard for diagnosis is arthroscopic surgery. MRI is often used as a surrogate because, despite high cost and imperfect accuracy, MRI is not invasive. Detection of meniscus tears by history and physical examination would be ideal due to very low …