vch.ca The extensor mechanism (EM) of the knee comprises the quadriceps muscles and tendon, the patella, patellar tendon and supporting retinaculum (figure 1). Injuries of the EM are common and may be ...

Following this, the status of the other structures in the knee was commented upon ... restraint to valgus in the knee45 puts it at risk during the mechanism of injury of patellar dislocation. In ...

The patella serves as the fulcrum for knee extension via the quadriceps mechanism and provides a ... such as fracture and dislocation. Resurfacing is commonly done in treatment for rheumatoid ...