20 Questions
Which part of the scapula does the coracoid process project from?
Upper margin
In radiographic terms, what should the CR be directed to in an AP external rotation shoulder projection?
Coracoid process
Which of the following is NOT a part of the humerus bone?
Trochlea
What is the patient position recommended for an AP external rotation shoulder projection?
Erect position
What should be parallel to the IR in an external rotation AP shoulder projection?
Epicondyles of distal humerus
What is the approximate location of the coracoid process in relation to the clavicle?
Inferior to the lateral portion of the clavicle
How can full external rotation be confirmed in an AP projection of the proximal humerus?
Greater tubercle visible in full profile on the lateral aspect of the proximal humerus
In radiographic evaluation, what indicates optimal exposure for assessing bone density?
Clear, sharp bony trabecular markings
Which anatomical structure is primarily examined in a radiograph to assess a possible calcium deposit?
Supraspinatus muscle
In an AP projection of the proximal humerus, what position should the lesser tubercle be in for proper alignment?
Superimposed over the humeral head
In an AP PROJECTION—EXTERNAL ROTATION SHOULDER X-ray, how should the patient's arm be positioned?
Flexed at the elbow and resting on the head
What should be parallel to the tabletop in an AP PROJECTION—EXTERNAL ROTATION SHOULDER X-ray?
Line joining the epicondyles of the humerus
Where should the centre of the cassette be positioned in an AP PROJECTION—EXTERNAL ROTATION SHOULDER X-ray?
2.5 cm superior to the head of the humerus
Which part of the scapula is located at the superior anterior aspect?
Acromion
What is the name of the joint formed by articulation between the lateral part of the clavicle and acromion?
Acromioclavicular joint
Which bones need to be included in a lateral oblique 'Y' projection of the shoulder?
Humerus, scapula, clavicle
What will be in profile when the arm is supinated in a lateral oblique 'Y' projection?
Greater tuberosity
In a recurrent dislocation, which projection is used to demonstrate a deformity of the humeral head?
Antero-posterior (modified) - Stryker's
How should the patient be positioned for a lateral oblique 'Y' shoulder projection?
Standing or sitting with the lateral aspect of the injured arm against an erect cassette
Where should the X-ray beam be directed in a lateral oblique 'Y' shoulder projection?
Toward the medial border of the scapula and centered to the head of the humerus
Test your knowledge on the external rotation shoulder radiography procedure, focusing on the clinical indications and technical factors. This quiz covers information on fractures, dislocations, calcium deposits, and degenerative conditions related to the shoulder girdle.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
