Shoulder AP - Internal Rotation
Position the Patient
- Seated or standing
- Internally rotate arm
- Pronate hand
Words That Work
“Stand with the back of your shoulder against the board. Bend your elbow and rest your palm flat against your stomach, like placing your hand over your belly. This turns your whole upper arm inward. Relax your shoulder and hold still.”
AP shoulder internal rotation
Set Up the Shot
- Center here
- Central ray
- 1" inferior to coracoid process
- Include this in the field
- Collimation
- Entire shoulder girdle
- Set the distance
- SID
- 40"
- Check the technique
- Technique
- 70-75 kVp
- Follow facility protocols
Common Pitfalls
- •Arm not internally rotated (lesser tubercle not in profile)
- •Rotation of the body
- •Shoulder joint not centered on IR
Evaluate the Image
What should be visible?
- Proximal humerus
- Clavicle
- Scapula
- Lesser tubercle in profile
Does the image pass?
- ✓No rotation
- ✓Lesser tubercle clearly demonstrated
- ✓Shoulder joint centered