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Thoracic Outlet Syndrome

Anatomy, Pathophysiology, and Clinical Testing Explained

A practical, clinician-focused educational resource designed to clarify the complex anatomy, mechanisms, and assessment strategies for Thoracic Outlet Syndrome.

CATA Approved Provider Badge - 2025-2027 EN

0.4 CATA CEUs

Clear anatomical explanations
Clinical reasoning for assessment and testing
Video / audio-based learning + downloadable material
Instant access after purchase

Why Thoracic Outlet Syndrome Is Often Misunderstood

Thoracic Outlet Syndrome remains one of the most challenging and controversial diagnoses in musculoskeletal and neurovascular practice.

Symptoms often overlap with:

  • Cervical radiculopathy
  • Peripheral nerve entrapment
  • Shoulder pathology
  • Vascular conditions

 

Without a strong understanding of regional anatomy and compression mechanisms, clinicians risk:

  • Misclassification of symptoms
  • Inappropriate testing
  • Delayed referral
  • Ineffective management strategies

This resource is designed to bring clarity to complexity.

What You Will Learn

By the end of this module, you will be able to:

  • Understand the anatomy of the thoracic outlet region
  • Identify the structures involved in potential neurovascular compression
  • Differentiate between neurogenic, venous, and arterial TOS
  • Recognize common symptom patterns and clinical presentations
  • Apply appropriate clinical tests and assessment strategies
  • Improve diagnostic reasoning and referral decision-making

Module Content Overview

Anatomy of the Thoracic Outlet
  • Interscalene triangle
  • Costoclavicular space
  • Subcoracoid (subpectoral) space
  • Relationship between nerves, vessels, and surrounding structures
Pathophysiology of Compression
  • Mechanisms leading to neural and vascular compromise
  • Postural, anatomical, and movement-related contributors
Types of Thoracic Outlet Syndrome
  • Neurogenic TOS
  • Venous TOS
  • Arterial TOS
  • Key differences in presentation and clinical relevance
Clinical Assessment & Testing
  • Subjective history considerations
  • Symptom behavior and red flags
  • Role and limitations of special tests
  • Clinical reasoning over test reliance
Why Choose MSK

Who This Module Is Designed For

If you assess patients with neck, shoulder, arm, or neurovascular symptoms, this course is highly relevant.

What’s Included

WHAT YOU GET

✔ Educational audio / video presentation
✔ Downloadable supporting material (PDF)
✔ Anatomy-focused explanations
✔ Clinically relevant assessment insights
✔ Lifetime access to purchased content

Please email us at mskacademy25@gmail.com upon completion of the module to receive a “Certificate of Completion’ 

Thoracic Outlet Syndrome
msk academy

Improve Your Understanding

Strengthen Your Clinical Reasoning

Thoracic Outlet Syndrome does not need to be confusing. A clear understanding of anatomy and assessment can change how you approach complex presentations.