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Valgus/varus angles and rotation in groups 1–3 during flexion. There were six elbows in group 1, four in group 2, and four in group 3. From 40 to 130°, valgus angle was significantly less in group 1 than in group 2 (p < 0.01) or group 3 (p < 0.001) and internal rotation was significantly less in group 1 than in group 2 (p < 0.01) or group 3 (p < 0.001)
