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Diagram showing that the pubic spine (tubercle) and the tip of the great trochanter are on the same horizontal plane (McCurdy's line), and that the lower border of the neck of the femur and the inner border of the obturator foramen form a continuos arch (Shenton's) when the femur has its normal relationships.

Pubic Spine

Diagram showing that the pubic spine (tubercle) and the tip of the great trochanter are on the same…