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Chapter 5 Humerus & Shoulder. Proximal Humerus _____________ – Rounded portion. Anatomic neck – Inferior to head slightly constricted area __________.

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Presentation on theme: "Chapter 5 Humerus & Shoulder. Proximal Humerus _____________ – Rounded portion. Anatomic neck – Inferior to head slightly constricted area __________."— Presentation transcript:

1 Chapter 5 Humerus & Shoulder

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

3 Proximal Humerus _______________ groove – 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 – Uppermost aspect ___________(Axillary) Border –Border closest to Arm pit (Axilla) ____________ (Vertebral) Border –Border closest to vertebral column

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

15 Scapula Surfaces _________ Surface –Anterior Surface ___________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


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