Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
Glenohumeral Dislocation
Populations Effected
- Three common modes:
- Sports injuries
- Trauma
- Falls
- Most common population:
- age, sex, mode of injury?
Types and severities
True/False: After suffering a glenohumeral dislocation, you should try and ease the humerus back into its socket
- complete dislocation
- humeral head entirely removed from glenoid gavity
- subluxation
- humeral his is displaced from the glenoid cavity
Common Treatments
- Do NOT move the joint
- Closed Reduction
- Immobilization
- Perscribed Rehabilitation Exercises
Signs and Symptoms
- Visual deformity
- "Square-like" apperance
- Swelling & bruising
- Inability to move joint from current position
- Based on direction of dislocation
- Nervous or vascular complications
Anterior Displacement
INTERESTING FACTS
Subclassifications
Mechanism:
- Abduction
- External Rotation
- Extension
Which image is subcoracoid?
- Most commonly dislocated joint in the body
- Hippocrates oldest known reduction method still in use today
- Mariah Carey
- Egyptian murals as early as 3,000 BC
Posterior Displacement
Mechanisms of Injury
Mechanism:
- Adducted
- Flexed
- Internally rotated
Force displaces the humeral head oustide the glenoid cavity:
- Anterior (most common)
- Posterior
- Inferior
Inferior Displacement
Mechanism:
- Hyper-abduction
Arm positioned overhead ("Luxatico Erecta")
What is the purpose of the glenoid labrum?
Effect on "Normal" Anatomy
- Future instability
- Associated Injuries
- Bankart Lesion
- Hill Sachs Lesion
Relevant Anatomy
Bones of the Shoulder Girdle:
- Clavicle
- Humerus
- Scapula
Rotator Cuff Muscles:
- Supraspinatus
- Infraspinatus
- Teres Minor
- Subscapularis
Glenohumeral dislocations
Kolby Howerter, Mary Spitler, Joseph Tidwell, Andrew Waldrip