Proximal Humerus

1
Chapter 6

• Proximal Humerus Shoulder

2
Proximal Humerus

• _____________
• Rounded portion. Ball of ball and socket joint.
• _____________
• Inferior to head slightly constricted area
• _________________
• Small process inferior to anatomic neck
• _________________
• Large lateral process

3
Proximal Humerus

• ___________________
• Space between tubercles.
• _________________
• Tapered area inferior to head tubercles
• Body
• Long portion of humerus

4
Shoulder Girdle

• ________________
• Anterior connection to axial skeleton at sternum
  (Sternoclavicular joint)
• Posterior connection by muscles off of scapula

5
Shoulder Joint

• Scapulohumeral
• Spheroidal ________________
• Head of humerus fits into ___________ of scapula

6
Humerus Imaging

• Routine
• AP
• Lateral
• Supine
• Table Top
• 7 x 17 LW or 14 x 17 diagonal
• 40 SID
• _______________

7
AP Humerus

• _____________
• ______________ hand so ___________ are parallel
  to cassette.
• Include _____________________
• Center at mid-shaft
• Rotate collimator to long axis of humerus
• Collimate to skin

8
Lateral Humerus

• Supine
• ____________ hand so _____________ are
  perpendicular to cassette
• Include __________________
• Center to mid-shaft
• Rotate collimator to long axis of humerus
• Collimate to skin

9
Shoulder Imaging

• Routine
• AP Internal Rotation 10 x 12 XW
• AP External Rotation 10 x 12 XW
• Scapular Y 10 x 12 LW
• Glenoid Fossa 8 x 10 XW
• Axial
• Transthoracic Lateral (Trauma)
• 40 SID
• 75 kVp

10
AP External Rotation

• Erect or Supine
• ______________hand so _______________ are
  parallel to cassette
• Center ______ below ____________process
• Suspend respiration
• Shows ___________________in profile
• Do not rotate if fx or dislocation present

11
AP Internal Rotation

• Erect or Supine
• _______________ hand so ______________ are
  perpendicular to cassette
• Center ______ below _____________process
• Suspend respiration
• Shows _______________in profile
• Do not rotate if fx or dislocation is present

12
Glenoid Fossa

• Erect or Supine
• Position into _____________posterior oblique with
  _______________toward IR.
• Abduct arm slightly
• Center at shoulder joint
• Suspend respiration
• Shows _______________in profile without humerus
  obstructing

13
Scapular Y

• Try to position erect
• Position into ___________________with affected
  side ____________________.
• Palpate _________________to determine true
  lateral
• Slightly abduct arm
• Center to joint space __________below top of
  shoulder
• Suspend respiration

14
Transthoracic LateralTrauma

• Position ______________with affected side
  _________________
• Raise unaffected arm
• Center to ________________of Humerus
• Use a __________ technique