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Table 2 Classification of alignment

From: Tibial component coverage affects tibial bone resorption and patient-reported outcome measures for patients following total knee arthroplasty

 

Long-leg X-rays

 

Lateral X-rays of the knee

 

Aligned

Varus

Valgus

 

Aligned

Misaligned

AP-FA

92° to 98°

< 92°

> 98°

   

AP-TA

87° to 93°

< 87°

> 93°

L-TA

83° to 90°

< 83° or > 90°

AP-TFA

183° to 187.5°

< 183°

> 187.5°

   
  1. AP-FA anteroposterior femoral angle; AP-TA anteroposterior tibial angle; AP-FTA anteroposterior tibial-femoral anatomical angle; L-TA lateral tibial angle
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X