SCAPULA

Question 1

PP: Supine/upright; arm abducted 90o w/ the body (draw scapula laterally); elbow flexed; IR 2 in. above top of shoulder
RP: 2 in. inferior to coracoid process
CR: ┴
SS: Scapula
Lateral portion of scapula free of superimposition

Answer 1

AP PROJECTION

Question 2

PP: Upright/seated; RAO/LAO (more difficult to perform); 45-60o from IR; RPO/LPO (magnified scapula; for trauma px)
Arm Placement:
Elbow flexed & arm on posterior chest
For demonstration of acromion & coracoid process
Arm extended upward & forearm rested on head or across upper chest
For demonstration of scapular body
RP: Midmedial border of protruding scapula
CR: ┴
SS: Lateral image of scapula
Mazujian Suggestion: arm across the upper chest (grasping opposite shoulder)

Answer 2

LATERAL PROJECTION

Question 3

PP: Upright/lateral recumbent;
_____ Method: arm of affected side 90o to long axis of body; elbow flexed; hand rested against head

_____ Method: arm of affected side obliquely upward; hand rested against head
RP: b/n chest wall & midarea of protruding scapula
CR: ┴
SS: Oblique image of scapula

Answer 3

LORENZ-LILIENFELD METHODS
PA OBLIQUE

Question 4

PP: Supine/upright; RPO/LPO; shoulder rotate 15-25o away from affected side or 25-35o (steeper oblique)arm extended superiorly; elbow flexed; hand supinated under head; arm of affected side across anterior chest
RP: Midscapular area
CR: ┴ to lateral border of rib cage
SS: Oblique image of scapula free or nearly free of rib superimposition

Answer 4

AP OBLIQUE