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Ace Report Cover

Functional alignment better replicates native knee kinematics than mechanical axis alignment in TKA

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Ace Report Cover
August 2025

Functional alignment better replicates native knee kinematics than mechanical axis alignment in TKA

Vol: 307| Issue: 8| Number:33| ISSN#: 2564-2537
Study Type:Therapy
OE Level Evidence:1
Journal Level of Evidence:1

Functional alignment restores native kinematics more consistently than mechanical axis alignment in total knee arthroplasty.

Bone Joint J . 2025 Apr 1;107-B(4):423-431.

Contributing Authors:
JR Manara R Steer SL Whitehouse D Collopy GW Clark

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Synopsis

Sixty patients with knee osteoarthritis were randomized to receive either functional alignment (FA) (n=29) or adjusted mechanical alignment (aMA) (n=31) using a robotically assisted cruciate-retaining total knee arthroplasty. The primary outcome was the intraoperative kinematic pattern (medial pivot, symmetrical rollback, or lateral pivot) assessed with a pressure sensor after definitive implantat...

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