“…These tears, 3.4-20 % of all the injuries to the knee [10], usually occur during sport activities or following traffic accidents and falls [3]. Compared to the ACL, the PCL can heal spontaneously [17,19,24,33,36], given its abundant blood supply from the branch of the middle genicular artery, and the superficial synovial layer by which is covered [4,27]. Management is conservative in acute grade I-II isolated injuries of the PCL and in chronic asymptomatic patients [46].…”