Amatuzzi M M, Gouvêia Sobrinho J L
Departamento de Ortopedia e Traumatologia, Faculdade de Medicina, Universidade de São Paulo.
Rev Hosp Clin Fac Med Sao Paulo. 1991 Nov-Dec;46(6):293-302.
By biomechanical method the extensor mechanism of the knee is analysed, and the causes of instability and hyperpressure in the patello-femoral syndrome are discussed. Concerning these two entities, the author presents: definition, diagnosis, classification, clinical aspects, differential diagnosis, and surgical and clinical treatment.