We set up a trial to test whether the KT1000 arthrometer would give consistent measurements of anteroposterior laxity when used by the same and different examiners on the knees of the same subjects on the same day. The results showed substantial inter- and intra-examiner variation in the measurements both of absolute displacement in single knees and of side-to-side differences between pairs of knees. This casts doubt on the reliability of the instrument when used to compare the results of different techniques for reconstructing injured cruciate ligaments.

The place and effectiveness of surgery for acromioclavicular dislocation is disputed. We have reviewed 29 patients all treated by an operation which holds the clavicle down to the coracoid process. This was effective in both acute and late cases, with rapid return to work, a low incidence of complications and no requirement for secondary procedures. We consider it to be the method of choice when operation is indicated.