Examiner pulls on actively flexed arm then suddenly releases. The patient should be able to check or stop the arm's movement when released. NeuroLogic Exam has been supported by a grant from the Slice of Life Development Fund at the University of Utah, the Department of Pediatrics and the Office of Education at the University of Nebraska Medical Center. Viewing the video requires installation of the free QuickTime Plug-in. Both English & Spanish audio & captions are available in this video.