Anteromedial rotatory instability is an abnormal and excessive movement of the inner side of the tibia in relation to the femur when weight is taken on the knee, with the joint opening up more than it should.
What causes anteromedial rotatory instability?
This problem is usually the result of an injury with damage to several structures:
It is one of the multiligament injuries of the knee.
Synonyms:
AMRI
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