Abstract
The effect of compressing tibial plateaux against the cancellous bone of the upper tibia was studied. The amount of bending in plastic plateaux was measured for centrally applied loads, with the plateau on hard and soft cancellous bone. The deformations caused by a non-central load were measured for a rigid plateau, to measure any tilting which might occur. The pull-out strengths of anchor holes into the bone were measured. It was found that plastic plateaux bent in a U-shape when mounted on soft bone, but by a very small amount. Tilting of the anterior of the plateau occurred with a load applied posteriorly, but this could be countered effectively by anchoring holes for the cement.
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