Yonah Heller

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The objective was to develop a simple, rapid, and low-cost method for evaluating proposed new total knee arthroplasty (TKA) models and then to evaluate 3 different TKA models with different kinematic characteristics. A "desktop" knee testing rig was used to apply forces and moments over a full flexion range, representing a spectrum of positions and(More)
In the literature, different methods have been used to describe the motion of the anatomic knee and total knee replacements (TKR). The major goal of this study was to identify the most suitable methods for comparing TKR motion with that of the anatomic knee, whether for the purpose of developing new TKR designs, or evaluating existing ones. A further goal(More)
The posteromedial fragment in tibial plateau fractures is considered unstable and requires specific fixation. However, if not loaded by the femur, it may remain stable and not require additional fixation. Our purpose was to determine the size of the posteromedial fragment that would remain unloaded by the femoral-tibial contact area, as a function of(More)
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