The Orthobullets Podcast

Foundations | Shoulder & Elbow | Traumatic Anterior Shoulder Instability (TUBS)

Sep 4, 2025
Dive into the world of traumatic anterior shoulder instability, exploring its causes and demographics. Discover the latest diagnostic methods and treatment options, including innovative surgical techniques. The discussion highlights the risk of recurrence, especially in younger athletes. Recent studies on treatment efficacy provide valuable insights for frontline MSK providers. It’s an essential listen for anyone involved in orthopedics!
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INSIGHT

Mechanism And Diagnostic Basics

  • Traumatic anterior shoulder instability (TUBS) occurs with anterior force while the arm is abducted and externally rotated.
  • Diagnosis relies on clinical provocative tests and MRI to detect labral or bony injuries.
INSIGHT

Age Drives Recurrence Risk

  • Recurrence risk after first dislocation strongly correlates with age, reaching 80–90% in teenagers.
  • Patients under 20 have roughly a 90% chance of recurrence.
ADVICE

Use Provocative Tests And Laxity Exam

  • Perform the apprehension and relocation tests to assess anterior instability and glenoid bone loss.
  • Check for generalized ligamentous laxity because hyperlaxity raises recurrence risk.
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