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upper limb · AP Bilateral
Acromioclavicular Joints (With & Without Weights)
Erect, back against IR.
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AI Patient · KV Sir
How to perform this view
- 01
Stand patient erect, shoulders level.
- 02
Expose bilateral AC joints without weights.
- 03
Strap equal weights to both wrists (do not grip).
- 04
Repeat exposure.
- 05
CR to midline at level of AC joints (2.5 cm above jugular notch).
Anatomical & patient position
Patient: Erect, back against IR.
Part: Arms by side; take without, then with 5-8 kg weights strapped to wrists.
Central ray & centring point
Perpendicular to midline at AC joint level.
Exposure factors
kVp
70-75 kVp
mAs
8-12 mAs
SID
180 cm
IR size
35 x 43 cm landscape
Grid
Yes
Respiration
Suspended
Clinical indications
- AC joint separation (grading)
Contraindications & precautions
- Suspected clavicle fracture - exclude first before weights
Structures shown & evaluation criteria
- Both AC joints
- Widening under stress