1. Chapter 5
Humerus & Shoulder

2. Proximal Humerus _____________ Anatomic neck __________ tubercle
– Rounded portion.
Anatomic neck
– Inferior to head slightly constricted area
__________ tubercle
– Small process inferior to anatomic neck
– Large lateral process

3. Proximal Humerus _______________ groove Surgical neck
– Space between tubercles.
Surgical neck
– Tapered area inferior to head & tubercles
____________ tuberosity
Rough area on anteriolateral surface
Body
– Long portion of humerus

4. Humerus Imaging
Routine AP
Lateral
40” SID
70 kVp

5. AP Humerus _________ hand (if possible)
Epicondyles are __________ to IR
Include shoulder and elbow
Center at mid-shaft
Rotate collimator to _________of humerus
Collimate to skin

6. Lateral Humerus ____________ hand (If possible)
Epicondyles are ______________ to IR
Include shoulder and elbow
Center to mid-shaft
Rotate collimator to _________of humerus
Collimate to skin

7. Questionable Fracture
_________________________
Erect _____________
X-table Lateral
Transthoracic

8. Erect Mediolateral Pt upright in _____________ oblique
Elbow _____________
Move arm ________, away from the body
Align epicondyles __________ to the IR
CR to mid shaft
Shoulder may not be on the image

9. X-table Lateral Pt. Supine
Elevate ___________ arm with positioning sponge
Place IR between the __________and arm
CR to mid shaft
Shoulder may not be on the image

10. Transthoracic Position _____________with affected side closest to IR
Raise ____________ arm
Center to ______________of humerus
Use a breathing technique

11. Shoulder Girdle Clavicle & Scapula
_____________connection to axial skeleton at sternum (______________joint)
______________ connection by muscles off of _________

12. Scapula Posterior aspect of shoulder girdle Triangular Flat bone with:
3 _________
3 angles
2 ___________

13. Scapula Borders ___________ Border ___________(Axillary) Border
Uppermost aspect
___________(Axillary) Border
Border closest to Arm pit (Axilla)
____________ (Vertebral) Border
Border closest to vertebral column

14. Scapula Angles __________ Angle ____________ Angle ___________ Angle
Head of scapula forms glenoid fossa.
____________ Angle
Lowest point on vertebral border.
___________ Angle
Highest point on vertebral border.

15. Scapula Surfaces _________ Surface ___________Surface Anterior Surface
Posterior Surface

16. Scapula Anatomy Costal Surface
______________Process
– Projection off of superior border.
_____________ notch
– Depression between superior border and coracoid.

17. Scapular Anatomy Dorsal Surface
____________ Spine
– Elevated projection across posterior scapula
______________
– Large projection off of spine
Supraspinous _________
– Depression superior to spine
Infraspinous fossa
– Depression inferior to spine

18. Shoulder Joint Scapulohumeral Spheroidal (Ball and Socket)
________________
“Socket” where humeral head sits

19. Shoulder Imaging Routine AP Internal Rotation AP External Rotation
Scapular ‘Y’
Glenoid Fossa
Axial
Transthoracic Lateral (Trauma)
40” SID
75 kVp

20. AP External Rotation Erect or Supine
Supinate hand so _______________are parallel to cassette
Center _____________coracoid process
Suspend ____________
Shows Greater tubercle in profile
Include shoulder girdle
___________rotate if fx or dislocation present

21. AP Internal Rotation Erect or Supine
Pronate hand so ______________ are perpendicular to cassette
Center ___________coracoid process
Suspend respiration
Shows ____________in profile
__________rotate if fx or dislocation is present

22. Glenoid Fossa Erect or Supine
Position into __________posterior oblique with affected side toward IR.
__________ arm slightly
Center at shoulder joint
Suspend respiration
Shows ___________in profile without humerus obstructing

23. Scapular ‘Y’ Try to position erect
Position into ___________oblique with affected side closest to IR.
Palpate ________________to determine true lateral
Slightly ________ arm
Center to joint space _________top of shoulder
Suspend respiration

24. Axial Inferiosuperior
Supine
Place the cassette ___________ to the table against the ____________ and close the neck.
Abduct arm _________, with external rotation.
Direct the CR through ___________
Suspend respiration
Shows coracoid process, lesser tubercle, scapular spine, and humeral head glenoid fossa

25. Transthoracic Lateral Trauma
Position true lateral with __________ side closest to IR
Raise ___________ arm
Center to ___________of Humerus
Use a breathing technique