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. 2019 Sep 17;20:434. doi: 10.1186/s12891-019-2820-9

Fig. 3.

Fig. 3

Radiographs showing changes of the G-KJLO after OWHTO. A patient underwent OWHTO due to varus OA. a Preoperative full-limb anterior-posterior radiograph of the patient. G-KJLO (solid line) was − 2.5° relative to the ground (dotted line). b Postoperative full-limb anterior-posterior radiograph of the patient. G-KJLO (solid line) was 2.6° relative to the ground (dotted line). OWHTO, open-wedge high tibial osteotomy; OA, osteoarthritis; G-KJLO, knee joint line orientation relative to the ground