Table 5

Neer classification of impingement [11].

STAGE l
Involving oedema and haemorrhage
STAGE ll
Involving fibrosis and tendonitis
STAGE lll
Involving degeneration (bone spurs) and tendon rupture

Pribicevic and Pollard Chiropractic & Osteopathy 2005 13:20   doi:10.1186/1746-1340-13-20