arthroscopic release

Frozen Shoulder

Definition 

 

Idiopathic inflammatory condition

- characterised by progressive shoulder pain & stiffness

- due to contracture of capsuloligamentous structures

- spontaneously resolves 

 

Epidemiology

 

2% incidence

- 40 - 60 years

- Women 2:1

 

Sedentary workers

- Non-dominant limb

 

Bilateral in 10 - 40%

 

Aetiology

 

Stiffness

Functional range

 

30- 130o - Flexion / Extension

50o each - Pronation / Supination

 

Aetiology

 

Extrinsic

- skin / subcutaneous tissue

- capsule (anterior / posterior)

- collateral ligament contracture

- muscle contracture

- HO

 

Intrinsic

- articular deformity / malunion

- articular adhesions

Lateral Epicondylitis / Tennis Elbow

Incidence

 

Lateral : Medial 9:1

 

Epidemiology

 

4th & 5th decades

- M = F

- 75% dominant arm 

 

50% of regular tennis players

- especially > 2 hrs / week

 

Aetiology

 

Insertion pathology / Enthesopathy

 

Over-extension of the elbow with supination / pronation

 

Anatomy

 

Lateral epicondyle

- anconeus from posterior face

- ECRB and EDC from anterior face (CEO)