1. Chapter 7 Calcaneus Ankle

2. Calcaneus Os Calcis Articulates with –___________(Subtalar joint) –__________ 3 articulating surfaces (facets) –____________ –Middle –Anterior

3. Calcaneus __________________ –Medial process __________________ –Trochlea Process –Lateral process __________________ –Forms Sinus Tarsi _________________ –Posterioinferior

4. Calcaneous Imaging Os Calcis Routine Plantardorsal Lateral 40” SID 65 kVp

5. Plantardorsal Pt Supine __________________ Angle ____________________ Center at base of ____________and exit at the level of lateral malleolus Collimate to calcaneus

6. Lateral Calcaneus Position patient for __________ projection ___________________ Use a pillow under knee if needed to ensure no tilt Center ___________to medial malleolus Collimate to include calcaneous

7. Ankle Consists of: –Distal ______________ –Talus Synovial _____________

8. Distal Tibia/Fibula __________________ – Extended portion of distal Fibula _________________ – Extended portion of distal Tibia

9. Distal Tibia Anterior ______________ – Process off anterior distal tibia ______________ – Flattened portion lateral distal aspect

10. Ankle ___________ – Space formed by inferior Tib/Fib and where superior talus fits. _____________ –The “ceiling” of the mortise.

11. Imaging the Ankle Routine AP Lateral Internal / External Oblique 60 kVp 40” SID

12. AP Ankle Dorsiflex foot. Ankle to form __________ No Foot rotation Center Mid ankle _______________ Collimate to skin

13. Lateral Ankle Position patient for _________ projection _________ aspect of foot against cassette Dorsiflex foot to ___________ Use a pillow under knee if needed to ensure no tilt Center at _______________ Collimate to include _______________

14. Internal Rotation Place Ankle in AP and rotate ________ Center ___________________

15. Ankle Mortise Place ankle __________ Rotate ________________ CR between _____________ Collimate to the skin laterally

16. External Rotation Place Ankle in AP Rotate _______________ Center between _____________ Collimate to the skin laterally