A 50 years old male with generalized ligamentous laxity and long history of distortions (Sprains) of the ankles. On the right ankle the incidence and severity of the sprains had increased significantly in recent months. On MRI imaging of both ankles: in the right ankle the lateral stabilizing ligaments are damaged and incongruent. On the left ankle the picture is similar with an old fracture of the tip of the medial malleolus which is not united, but not significantly displaced. Right ankle instability was diagnosed and “Brodstrum“ type operation on right ankle has been suggested.