Family Integration in Therapy Activities in the Intensive Care Unit: The FIT-ICU Feasibility Study

Inclusion Criteria: * Adults (≥18 years) in the ICU * Anticipated length of stay ≥48 hours for whom a request for physiotherapy has been placed by the treating physician * Appropriateness for physiotherapy confirmed by the unit's physiotherapist. * Families will be eligible if they are able to be present in ICU during physiotherapist or research team work hours until they are cleared to deliver activities independently, then at least three times weekly thereafter. Exclusion Criteria: * Patients who are receiving end of life care * Patients who have high risk injuries including spinal cord injury or spinal fractures, post-operative from spinal surgery, and untreated hip or long bone fractures * Patients at risk of raised intracranial pressure (ICP) (e.g. Malignant middle cerebral artery stroke, large subarachnoid hemorrhage), admitted post trauma activation, post-operative from brain surgery or with external ventricular drain (EVD) in situ. * Patients who are bed-bound or require mechanical lift at baseline who would not otherwise be offered physiotherapy services. * Exclusion criteria for families include any major barriers to participation, i.e., physical, cognitive, emotional or capacity to understand and communicate with the team.