Effect of osteoarthritic knee flexion deformity correction by total knee arthroplasty on sagittal spinopelvic alignment in Indian population

Figure 1 X-ray scannogram of the patient. A: X-ray scannogram of whole spine without measurements; B: X-ray scannogram showing measurement in Surgimap software. LL: Lumbar lordosis; PI: Pelvic incidence; PT: Pelvic tilt; SS: Sacral slope; SVA: Sagittal vertical axis.

Figure 2 Complete clinical and radiological profile of the patient. A: Preoperative scannogram showing the sagittal parameters; B: Postoperative scannogram showing the sagittal parameters; C: Preoperative clinical picture showing knee flexion deformity (KFD); D: Postoperative clinical picture showing correction of KFD.