Inclusion Criteria:  Admitted to geriatric ward at Bispebjerg Hospital with an minimum of 3 days (anticipated) left of stay. Volunteering  Exclusion Criteria:  Unable to be easily mobilized by training staff. Unable to perform the stationary cycling exercise modality. Lack of Danish speaking and reading skills. Lack of senses (blind, deff pr heavily hearing impaired). Suffering from delirium, vertigo or dementia beyond a moderate degree. Judged medically contraindicated by therapeutic, medical or care staff