Fig. 1From: A retrospective analysis on the correlation between hip pain, physical examination findings, and alpha angle on MR imagesMeasurement of alpha angle on MRI view of the left hip of a 24-year-old woman (the yellow line extends from the center of the femoral head to the midpoint of the femoral neck; the red line is extended from the center of the femoral head to the deviation of the femoral neck from the circle drawn around the femoral head)Back to article page