Skip to main content
OrthoVellum
Knowledge Hub

Study

  • Topics
  • MCQs
  • ISAWE
  • Operative Surgery
  • Flashcards

Company

  • About Us
  • Editorial Policy
  • Contact
  • FAQ
  • Blog

Legal

  • Terms of Service
  • Privacy Policy
  • Cookie Policy
  • Medical Disclaimer
  • Copyright & DMCA
  • Refund Policy

Support

  • Help Center
  • Accessibility
  • Report an Issue
OrthoVellum

© 2026 OrthoVellum. For educational purposes only.

Not affiliated with the Royal Australasian College of Surgeons.

Sports Medicine
intermediate
X-Type

Scapular Dyskinesis

Shoulder Pathology

A 28-year-old baseball pitcher presents with 6 months of posterior shoulder pain and decreased throwing velocity. Examination shows asymmetric scapular positioning at rest with the inferior angle more prominent on the affected side. During arm elevation, the scapula demonstrates excessive internal rotation and anterior tilting. There is no weakness of forward flexion. Regarding scapular dyskinesis:

Mark each as TRUE or FALSE

A

Scapular dyskinesis describes abnormal scapular position or motion that alters normal scapulothoraci...

B

Normal scapulothoracic rhythm involves upward rotation, posterior tilting, and external rotation of ...

C

Scapular dyskinesis only occurs with nerve injury; it is never associated with rotator cuff patholog...

D

Causes of scapular dyskinesis include nerve injury (long thoracic, spinal accessory), muscle weaknes...

E

The scapular assistance test (examiner manually assists scapular upward rotation and posterior tilt ...

Answer the questions to see explanations

Click T (True) or F (False) for each option