A 16-Year-Old Boy
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom History A 16-year-old boy sustained an acute first-time dislocation to his left patella when he…
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom History A 16-year-old boy sustained an acute first-time dislocation to his left patella when he…
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom A 36-year-old medical secretary with recurrent left patellar dislocation since the age of 15 years…
Fig. 18.1 (a) In some ways the extensor mechanism under load is like a drawn bow: When the energy in the bow is released, the ends spring apart and the…
Fig. 10.1 Anteroposterior and lateral X-rays of valgus knee demonstrating the biplanar (frontal and sagittal) bone wear of the lateral tibial plateau (red dotted lines) with distraction of the medial…
Fig. 11.1 Osteophytes removal with a curved osteotome Fig. 11.2 Release of the posterior capsule We can either use a custom femorotibial spreader or a femoral suspension device introduced in…
Lesion type Frequency* Cause Reference Femoral avulsion 1/48 – [8] 1/16 Osteopenic patient [3] Mid-substance 24/48 – [8] 1/8 Transection with saw during tibial cut [9] 7/7 Unknown, possibly due…
Author Year of publication Type of implant Preoperative knee alignment Method of stress Degree of knee flexion Stress direction Angles between the femoral and tibial components (degrees) Intraoperative 3 weeks…
Fig. 8.1 A right femur (left) and kinematically aligned TKA (right) shows the relationships between the three kinematic axes of the knee and the joint lines of the distal and…
Fig. 12.1 Deep knee flexion activities including kneeling, squatting, and sitting cross-legged are considered crucial to people in this region (a) His Highness Sheikh Mohamed bin Zayed Al Nahyan and…
(1) Ghent University, Ghent, Belgium 3.1 Introduction ‘Kinematics’ is a term often used in orthopaedics, unfortunately not always in the correct sense of the word. The term ‘kinematics’ is…