Shoulder instability Flashcards
What is shoulder instability
-inability to maintain humeral head in the glenoid fossa
What are the 3 types of shoulder instability
- anterior
- Posterior
- Multidirectional
What are the clinical features of ANTERIOR instability
- recurrent dislocation or sub laxation
- shoulder pain
- episodes of ‘dead arm syndrome’
What examination would take place for ANTERIOR instability
- assess ligament laxity
- assess shoulder power
- x-ray
What else can be associated with ANTERIOR instability
- Bankart lesion
- Hill-sachs lesion
What is the treatment for traumatic ANTERIOR instability
- repair underlying tendon
- Magnusson-stack PuttiPlatt procedures NOT recommended - lead to decrease external rotation and decrease in shoulder power
what is the treatment for Atraumatic ANTERIOR instability
- strengthening of RC and scapula stabilisers
- modification of sport activity
- surgery only if constructive rehab fails
What is POSTERIOR instability
- Atraumatic is most common
- sublaxed shoulder position
What is the treatment for POSTERIOR instability
- strengthening of posterior stabilising muscles
- surgery - posterior capsuloabral repair, capsular shrinkage
What is MULTIDIRECTIONAL instablity
- combination of 2 or 3 instabilities
- most commonly atraumatic
- often associated with generalised ligamentous laxity
What is the treatment of MULTIDIRECTIONAL instabilty
- Strengthening of shoulder muscles
- avoid stretching