Hyperextension knee injury - posteromedial and posterolateral corner injuries

Discussion:

The semimembranosus tendon (SMT) has a complex insertion and forms an integral part of the posteromedial corner:

direct: common SMT to posterior aspect MTP 1 cm below joint
anterior: common SMT posteromedial to MTP, inserts deep to MCL
oblique popliteal ligament: blends with the OPL
posterior oblique ligament: blends with sheath of SMT
meniscal: SMT to coronary ligament of medial meniscus posterior horn
distal expansion: over popliteus muscle (also called popliteal aponeurosis)

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