An article on the background of the Timed Up-and-Go Test may be found at the National Library of Medicine.
A review and summary of the Timed Up-and-Go Test may be found at Stroke Engine database.
Administration instructions and scoring interpretation of the Timed Up-and-Go Test may be found at Shirley Ryan AbilityLab and Physiopedia. A score sheet may be found at Physiopedia.