but more usually the dislocation has been reduced and there is a swollen knee with a tender line parallel to the medial border of the patella reflecting the retinacular tear. It is important to ...

vch.ca The extensor mechanism (EM) of the knee comprises the quadriceps muscles and tendon, the patella, patellar tendon and supporting retinaculum (figure 1). Injuries of the EM are common and may be ...

On the Celtics roster, Kristaps Porzingis has, according to his franchise, a “freak injury”: a torn medial patellar retinaculum affecting the posterior tibial tendon in his left leg.