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The Orthobullets Podcast

Core⎪Recon⎪TKA Kinematic Alignment

Apr 10, 2025
Delve into the fascinating world of kinematic alignment in total knee arthroplasty. Discover how individualized limb alignment can enhance knee function and overall biomechanics. The discussion contrasts mechanical and kinematic techniques, providing insights into surgical approaches. Learn about the benefits of tailoring strategies to individual patients and see how modern methods are reshaping knee surgeries. It's a deep dive into optimizing outcomes for knee health!
16:13

Podcast summary created with Snipd AI

Quick takeaways

  • Kinematic alignment in TKA aims to restore patient-specific biomechanics by maintaining natural knee alignment, minimizing ligament disruption, and ensuring balanced joint function.
  • Precise surgical techniques, including accurate calculations and methods like navigation systems, are crucial for achieving optimal femoral and tibial alignment in knee arthroplasty.

Deep dives

Understanding Kinematic Alignment in TKA

Kinematic alignment in total knee arthroplasty (TKA) focuses on restoring the patient-specific knee biomechanics by using prearthritic kinematic axes of the femur. This technique aims to maintain the natural alignment and joint lines of the knee by resurfacing the femur and tibia rather than using traditional mechanical alignment, which alters about 85% of patients from their anatomical state. Key aspects include minimizing ligament disruption and using bone cuts to replicate the natural knee laxities and compartment forces. This approach ensures that normal biomechanics are preserved, leading to a balanced joint and better functional outcomes post-surgery.

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