Orthographic photography of subphrenic ribs

1. Align the center line of the detector to ensure that the body is vertical.

2. Raise your upper arm and shrink your shoulders to avoid occlusion.

3. The detector covers the 7th cervical vertebra to xiphoid process, and the inner edge of the chest wall is 3cm.

4, the head is straight, the jaw is slightly raised, and the back is close to the detector.

5. The center line inclines to the foot end 10- 15 and enters the detector.