The Library at the The Chartered Society of  Physiotherapy (UK) have kindly researched  the availability of free physiotherapy information and recommend the following sites:
Cochrane  Library
National Library for  Health
PeDRO (Physiotherapy Evidence  Database)
PubMed  (MEDLINE)
REHABDATA  database
List compiled by Library and  Information Services, The Chartered Society of Physiotherapy
Cinahl, Embase and AMED are also good sources of Physiotherapy information but are subscription based.
Also: 
The Irish Society of Chartered  Physiotherapists may be able to help:
