Acromioclavicular joint Arthropathy

Question 1

MOI?

Answer 1

Secondary to trauma that displaces shoulder girdle inferiorly

• or heavy weight lifting

Question 2

Pain may be felt where?

Answer 2

Pain at top of the shoulder

Question 3

What motions may increase pain?

Answer 3

• End range shoulder elevation
• End range shoulder horizontal adduction

Question 4

What may be visually be present?

Answer 4

Visual Step Deformity at top of shoulder?

Question 5

What/How to perform the Paxinos Test?

Answer 5

• Examiner places thumb under the posterolateral aspect of the acromion, index and middle fingers superior to mid-clavicle
• Pressure applied in an anterosuperior direction with thumb, Inferior direction on mid clavicle with index and middle

(PAIN elicited is + considered positive)

Question 6

Special Tests that may be Positive?

Answer 6

• Horizontal Adduction
• Paxinos Test
• Painful arc test (but at the end range)