Tibial tuberosity osteotomy (TTO)
Tibial Tuberosity Osteotomy
Contraindication
Open Physis
Theory
A. Medial displacement corrects Q angle
- must correct Q angle < 10o
- at least 1 cm
B. Anterior displacement unloads PJF
C. Distal displacement corrects patella alta
Types
Hauser distalisation
- for patella alta