– See: Radiograhpic Evaluation – Anatomy – Biomechanics – Multipartite Patella – Chondromalacia – Dislocation of the Patella – Examination of the Patellofemoral Joint – Fractures of the Patella – Jumper’s Knee – Lateral Retinacular Release – Patella Alta – Pathology – Patella … Read more
– See: – Extensor Mechanism Injuries of the Knee – Quadriceps – Patellar Tendon Avulsion from TKR – Discussion: – usually occur in pts under age of 40; – most ruptures occur w/ the knee in a flexed position (around 60 deg) which are then … Read more
– See: Patella Alta – Discussion: – patella infera indicates an abnormally low patella; – it most often results from to soft tissue contracture and hypotonia of quadriceps muscle following surgery or trauma to knee, – Lateral Radiograph of the Knee: – is used to determine patellar height; – … Read more
– See: – Malposition of Joint Line: – Patellar Clunk Syndrome: – Discussion: – more frequent than patella alta; – data suggest that maintenance of a ht between 10 and 30 mm is optimal – this problem may be prevented by keeping resection … Read more
– See: TKR Menu – Discussion: – anatomy / q angle – blood supply to the knee – indications for patellar resurfacing – design and function of the patellar component in TKR: – effects of component rotation – Patellar Resurfacing: (technique) – indications for patellar resurfacing – lateral retinacular release: – Non Resurfaced Patella Considerations: … Read more
– Discussion: – not all patellar fractures are amenable to ORIF; – in most cases of patellar frx, one large frag of patella can be preserved; – most often the distal pole is comminuted, whereas superior pole is intact,however, as a principle, the larger fragment … Read more
– See: – Lateral radiograph of the Knee – Patella Infera – Subluxation of the Patella – Discussion: – patella alta refers to an abnormally high patella in relation to femur; – may result in Subluxation and dislocation of patella; – Associated Conditions: … Read more
– Discussion: – distal end of femur is hypoplastic, tibia is absent, & proximal dislocation of fibular head; – incidence is 1 in 1 million. – has a familial inheritance; – tibial hemimelia may be terminal or intercalary, complete or incomplete. – 30% percent of … Read more
– Discussion: – type of open bone grafting technique in which wounds are packed w/ cancellous bone w/ no attempt at soft tissue coverage; – may be indicated for infected non unions; – Technique: – for this to be successful the wound must be clean and have adequate blood … Read more
– Discussion: – malposition of the joint line: – varus tibial component positioning – AP and lateral mechanical axias views can often identify subtle malalignment – flexion of femoral component: – will result in loss of full … Read more