Orthopaedics & Rheumatology/ Shoulder Injuries

Question 1

Injury associated wtih - Football player presents with a high-riding clavicle, tenderness at acromioclavicular (AC) joint and intact motor and sensory examinations

Answer 1

AC separation

Question 2

Injury associated with - an older patient describes poorly localized pain with activities, such as overhead lifting or throwing a baseball that has slowly worsened over the last year

Answer 2

Impingement syndrome, often secondary to rotator cuff tendinitis

Question 3

An injury associated with - a weight lifter is repeatedly bench pressing, and complains of pain and clicking when his arm goes through a full range of motion

Answer 3

Glenoid labral injury

Question 4

What are the muscles of the rotator cuff?

Answer 4

SITS

• Supraspinatus
• Infraspinatus
• Teres minor
• Subscapularis

Question 5

What are four indications of a probable rotator cuff tear?

Answer 5

1. Supraspinatus weakness
2. Weak external rotation
3. Positive impingement sign
4. Advanced age

Question 6

What are the bony attachments of the rotator cuff muscles?

Answer 6

They all attach the scapula to the lateral humeral head.

Question 7

What imaging modality can best identify a rotator cuff injury?

Answer 7

• Magnetic resonance imaging (MRI)

Question 8

What imaging findings will you see in a rotator cuff injury?

Answer 8

• Swollen tendon or tear in rotator cuff
• with rare calcium deposits on radiographs if chronic rotator cuff tendonitis

Question 9

What is the treatment for a patient with suspected rotator cuff tendonitis?

Answer 9

• NSAIDs
• refrain from overhead activities
• subacromial corticosteroid injection if symptoms persist

Question 10

What is the treatment of a mild, proximal clavicular fracture?

Answer 10

Sling to immobilize for 3-4 weeks

Question 11

What fracture is associated with an anterior glenohumeral dislocation?

Answer 11

Posterolateral humeral head fracture

Question 12

What is the most common type of shoulder dislocation, usually from a fall on an outstretched arm?

Answer 12

Anterior shoulder dislocation

Question 13

How will a patient with an anterior shoulder dislocation typically present?

Answer 13

Affected arm abducted and externally rotated

Question 14

What type of shoulder dislocation is associated with seizures and electrocutions?

Answer 14

Posterior shoulder dislocation