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Mechanical block to extension following augmentation of the anterior cruciate ligament*

The technique of augmenting the repair of a torn anterior cruciate ligament (ACL) using the medial one-third of the patella ligament is well described. Questions concerning the viability of the augmentation tissue and the problems encountered with this method of repair are of importance in the evolution of a satisfactory, durable procedure. We report here a case of ACL repair with patella ligament augmentation. Subsequent problems with range of motion, methods of increasing the motion, and clinical observations of the augmentation at 10 months are discussed.