Zanca View (AC Joint View)

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- Discussion:
    - used to better visualized the acromio-clavicular joint by eliminating
          overlying structures;

- Technique:
    - AP view w/ beam is directed at the a-c joint with 10 deg cephalic tilt;
    - use 1/3 to 1/2 the voltage used for the AP shoulder view
          (soft tissue technique)