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kinematics. 16 – 18 Kinematic alignment (KA) As implant technology has improved, the issue of component wear and loosening has dissipated, and the concept of restoring a patient’s native anatomy has gained increasing traction in the orthopaedic

-positioning surgical techniques for TKA and THA and then, in the second half, to describe the newly promoted more personalized techniques (kinematic alignment). Conventional techniques for hip and knee replacement: rationale and limitations Conventional

Introduction The Kinematic Alignment (KA) technique for total knee arthroplasty (TKA) is an alternative surgical technique aiming to resurface knee articular surfaces. 1 , 2 Ultimately, the goal of KA is to alter the knee physiological

has provided the impetus to revisit the alignment strategy. Kinematic alignment (KA), an alternative alignment method in TKA, is based on a three-dimensional appreciation for the three axes of rotation of the knee. 27 – 29 Here, the objective is

natural mechanical alignment ≥ 3° of varus. Similarly, others have explored the cylindrical axis of the knee 36 and the concept of kinematic alignment. 37 Kinematic alignment is based on the finding that the true axis about which knee flexion

® imaging system or with conventional lumbo-pelvic lateral radiographs. This information allows the surgeon to realize the ‘Kinematic alignment technique’. As Rivière et al say 17 - 18 ‘this technique aims at restoring the native combined femoral

to right, kinematic alignment (KA), restricted KA (rKA), adjusted mechanical alignment (aMA), anatomical alignment (AA), mechanical alignment (MA). Excepting the KA technique, all techniques necessitate varying amounts of soft-tissue release (more so

Moreover, mild constitutional varus knees left in varus show better mid-term clinical and functional outcomes. 11 , 19 , 25 , 30 , 33 A contemporary alternative to mechanical alignment is kinematic alignment. 19,30-32,34 The goal is to restore the

achieve the correct rotational orientation. 62 – 65 Implants can be positioned using kinematic alignment (KA) or mechanical alignment (MA). The goal of KA is to correct the arthritic deformity and restore native knee kinematics by matching the amount of

would probably help with successful day-case TJA. 3 , 16 , 25 , 26 Similarly, kinematic alignment of knee implants may have more of a role to play in day-case arthroplasty as it appears to lead to faster recovery. 58 However, long