Shoulder instability

Question 1

what is shoulder instability?

Answer 1

Painful abnormal translational movement or subluxation and/or recurrent dislocation.

Question 2

Two types of shoulder instability

Answer 2

Traumatic and atraumatic

Question 3

How is the first dislocation treated?

Answer 3

Put back into place then treated with physiotherapy to stabilise and rest.

Question 4

What happens if a shoulder joint does not stabilise?

Answer 4

There are recurrent subluxations and dislocations.

Question 5

Related factors to traumatic instability

Answer 5

Age- 80% of less than 20 year olds have recurrent subluxations and dislocations.
If older than 30 the recurrence rate is only 20%.

Question 6

How to treat traumatic shoulder instability?

Answer 6

Bankart repair- stabilises the shoulder by reattaching the labrum and capsule to the anterior glenoid.

Question 7

Atraumatic shoulder instability

Answer 7

Due to ligamentous laxity. Multidirectional (anterior, posterior or inferior) dislocations or subluxations.
No treatment due to soft tissue repairs being difficult.