Patellar dislocation has an incidence of 5.8 per 100,000 per year in the US, and this number increases by five-fold for adolescents 1. Conservative management has been the preferred treatment, but recent follow-up studies have revealed a high redislocation rate. Similar outcomes were also found following primary repair of the medial patellofemoral ligament (MPFL) 2. As a result, replacement with soft tissue autografts has gained attention for recurrent patellar dislocations in recent years 2, 3. As such, the selection of an appropriate graft tissue will need the knowledge of the biomechanical properties of the FMPC, particularly its stiffness for the performance of the graft.

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