Essentials -- Arthritis of the Knee: Diagnosis and Management -- Knee Arthroplasty to Maximize the Envelope of Function -- Functional Anatomy of the Knee -- Alignment of the Normal Knee; Relationship to Total Knee Replacement -- Functional In Vivo Kinematic Analysis of the Normal Knee -- Gait Analysis and Total Knee Replacement -- Past Failures -- The Polyethylene History -- Failures with Beariā¦