Chapter 5: Humerus & Shoulder Girdle

Question 1

The function of the shoulder girdle is to connect the

Answer 1

Upper extremities to the axial skeleton

Question 2

Three articulations of shoulder

Answer 2

• Scapulohumeral joint
• Acromioclavicular joint
• Sternoclavicular joint

Question 3

Joint types of shoulder

Answer 3

• synovial joints (fibrous capsule with synovial fluid)
• diarthroidal (freely moveable)

Question 4

Gradual deterioration of articular cartilage with hypertrophic bone formation

Answer 4

Osteoarthritis

Question 5

Shoulder dislocation is the removal of humoral head from

Answer 5

Glenoid fossa, 95% are anterior dislocations

Question 6

Compression fracture of humeral head, caused by anterior dislocation

Answer 6

Hill-Sachs defect

Question 7

AP oblique projection- shoulder (Grashey method)

Answer 7

Glenohumeral joint is seen in profile. No overlap of humerus and glenoid