Kinematic Alignment in Total Knee Arthroplasty

Introduction Over 100,000 total knee replacements (TKR) are performed annually for painful end-stage osteoarthritis (OA) in the UK. The main reason for undertaking a TKR is to provide pain relief as well as improving function and mobility. Up to 20% of patients...

Calipered Kinematically aligned Total Knee Arthroplasty

Description Calipered kinematic alignment was proposed by Dr. Stephen M. Howell to enable the accurate and individualized placement of total knee components coincident within ± 0.5 mm of the patient’s pre-arthritic alignment. The aim was to restore the patient’s...

Mechanical alignment: The end of an era!

Half a century ago, Michael Freeman introduced the concept of right-angled femoral and tibial bone cuts in total knee arthroplasty (TKA)- mechanical alignment (MA). A little later, John Insall, raised the importance of balancing the resulting medial-lateral and...