Matched Pair Study - Kinematic Vs Mechanical Alignment

The principle for kinematically aligning the femoral component is to remove the correct amount of bone and cartilage from the distal and posterior femur after accounting for wear and saw blade kerf, so that the total thickness of the missing and removed tissue matches the thickness of the femoral component.

Classic mechanical alignment (MA) in total knee arthroplasty (TKA) is meant to co-align the prosthetic components to the mechanical axes of the femur and tibia and restore neutral overall limb alignment

The GMK Sphere® is a total knee prosthesis . The design of the GMK Sphere® is characterized by a spherical medial femoral condyle and an asymmetrical fixed tibial UHMWPE polyethylene insert with a concave spherical medial compartment.