What is the medial patellofemoral ligament (MPFL)? The medial patellofemoral ligament (MPFL) is a part of the complex network of soft tissues that stabilize the knee. The MPFL attaches the inside part ...

For example, patellofemoral pain syndrome (sometimes called ... or injuries to the lateral collateral ligament (LCL) that supports the outer knee. Swelling in the knee can be caused by both acute and ...