Description

Test Criteria

• PA erect
  • 2.5 cm above the iliac crests and 3 cm lateral from the spinous processes towards the upside. RAO and LAO will demonstrate the facet joints on the upside, for example, the LAO position will show the right facet joints
• supine
  • 2.5 cm above the iliac crests and 5 cm medial from the ASIS on the upside. RPO and LPO will demonstrate the facet joints on the downside, for example, the RPO position will show the right facet joints