Subtalar Joint Study

AP Axial Oblique Projection

1. Patient in supine position;
2. Leg extended;
3. Dorsiflexion of the foot at 90º;
4. Ankle joint in flexion at 45º medially.

Central ray angled cephalic 10, 20, 30, 40º to the joint.

Evaluation Criteria:

• Visualization of the anterior and posterior portions of the posterior subtalar joint;
• Visualization of the distal ankle to calcaneus;
• Dorsiflexion of the foot at 90º;
• Appropriate exposure values (visualization of the all bony trabeculation and soft tissue).

10º

20º

30º

40º