debridement

Incidence

Knee > Hip

- superficial position

- limited cover of well vascularised muscle 

- watershed area of skin blood supply anterior to the skin incision 

- much increased in fully constrained prosthesis 

Ideal < 1%

Risk Factors

Increased with

- revision

- prior infection

- RA / Psoriatic arthropathy

- DM

Clinical

Pain & Stiffness

- often more pain than FT tears

Bursal side tears more painful than articular

Articular side more common

May see in young patient overhead throwing

Examination

Painful arc

Impingement signs

No weakness

- function good

Epidemiology

Adolescents & young adults

Usually between 12 - 21 years 

Throwing athletes / gymnasts

Little Leaguer's Elbow

- combination of capitellar OCD and MCL injury

- a repetitive throwing injury / seen in pitchers

Aetiology

1.  Trauma & Overuse

Common throwing sports / gymnastics