Fig. 1
From: Anterior dislocation of THA after Iliopsoas tenotomy in spinopelvic imbalance: a rare case report
a. Standing pelvis anteroposterior radiographs show pelvic tilt upward due to degenerative lumbar kyphosis. The arrowhead indicates that the superior border of the symphysis pubis was located at the level of the third sacral vertebral body in the standing position. b. The cross-table lateral view shows that the anterior rim (arrowhead) of the acetabular component protrudes over the anterior wall of the acetabulum