The patella serves as the fulcrum for knee extension via the quadriceps mechanism and provides a surface over which the extensor mechanism glides during knee range of motion. It is also guided through ...

In this digital animation, Bertram Zarins, MD, of the Massachussets General Hospital Sports Medicine Service, reviews the anatomy of the ligaments which provide stability for the knee. He provides ...

Sixty-five consecutive primary total knee arthroplasties were done in 60 patients (40 women and 20 men). Three female patients with a diagnosis of rheumatoid arthritis were excluded from the study. An ...