Abstract
Restoration of the normal function of the limb after fracture healing is the goal of orthopedic surgeons during fracture management. Several factors contribute to this outcome, one of which is the mechanical environment of the fracture. The strain theory is the cornerstone of understanding the contribution of mechanics to the healing process. This led to developing various implants to achieve absolute or relative stability. To be noted that the same implant can produce absolute or relative stability depending on the way it is applied. Thus for the same fracture, both concepts of stability can be applied for different components using different implants. Generally, our goal is to achieve absolute stability in articular fractures and relative stability for extra-articular fractures of the tibia and femur. Patellar fractures are articular fractures thus absolute stability is the goal whenever possible.
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