The Integrated Health Log demonstrator shows how multimedia can be used in collaborative settings in healthcare. Patient data can be shared annotated discussed and processed by medics involved with a patient. Special emphasis is put on protecting the privacy of patients and allowing medics to keep responsibility for their patient data. In particular, grid technology is used to decouple services and service providers so that services can be executed under the control of the data owner. The system will be piloted in a gait analysis laboratory and in a network of physiotherapists involved in treating children with movement disorders.