Routine examination of the acromioclavicular joints include
- a. Bilateral AP projections
- b. Bilateral AP erect projections with & without weights
- c. Bilateral AP supine projection
- d. AP & axial projection.
The correct answer is b. Bilateral AP erect projections with & without weights.
The acromioclavicular (AC) joint is a small but important joint that connects the acromion, the tip of the shoulder blade, to the clavicle, or collarbone. The AC joint is responsible for providing stability to the shoulder and allowing it to move in a wide range of motion.
A routine examination of the AC joint typically includes a combination of radiographs (X-rays) and physical examination maneuvers. The most common radiographic views for assessing the AC joint are bilateral AP erect projections with and without weights. These views allow the radiologist to visualize the AC joint and assess its alignment, as well as the presence of any abnormalities.
The other options are not as commonly used for assessing the AC joint:
- Bilateral AP projections:
These views are not as useful as AP erect projections with weights because they do not allow the radiologist to see the AC joint as well.
- Bilateral AP supine projection:
This view is not as commonly used as AP erect projections because it is not as sensitive for detecting AC joint abnormalities.
- AP & axial projection:
This combination of views is sometimes used to assess the AC joint in more detail, but it is not always necessary.
In addition to radiographs, a physical examination of the AC joint may also be performed. This examination may include palpation of the AC joint to assess for pain or tenderness, as well as range-of-motion testing of the shoulder.
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