kocher

Most common form of shoulder instability

- young males

- M:F = 2:1

Indirect ER and abduction moment on arm

- disruption of anterior stabilisers

Initial injury

- severe pain in shoulder

Transient synovitis / Septic arthritis

Transient synovitis of unknown aetiology with complete resolution

Most common cause of hip pain

- 1 /1000

May occur in 3% of children with majority not seeking medical attention

Wide range of age

- from 9 / 12 to teenagers

- usually 3 - 8 years

- peak 6 years / same as Perthes

More common in

- boys 2:1

- caucasian