Data from a study published in the September issue of The Journal of Arthroplasty suggest that distal femoral angle (DFA) may be linked to reductions in quadriceps strength following total knee arthroplasty (TKA). 

The research team reviewed information on 73 patients (mean age 62 years; mean body mass index 29.7 kg/m2) who had undergone primary, unilateral TKA at a single institution. At 1- and 6-month follow-up, the researchers found that DFA was significantly associated with changes in quadriceps strength. They state that no other measures of lower extremity alignment (mechanical axis, proximal tibial angle, and patellofemoral angle) were found to contribute to quadriceps strength in the sample cohort. Learn more...

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