Austin Hospital 1 article published in JoVE Behavior An Instrumented Pull Test to Characterize Postural Responses Joy Tan1,2,4, Wesley Thevathasan2,3,4,5, Jennifer McGinley6, Peter Brown7, Thushara Perera1,4 1Department of Medical Bionics, The University of Melbourne, 2Department of Neurology, The Royal Melbourne Hospital, 3Department of Neurology, Austin Hospital, 4The Bionics Institute, 5Department of Medicine, The University of Melbourne, 6Department of Physiotherapy, The University of Melbourne, 7Medical Research Council Brain Network Dynamics Unit, University of Oxford Impairment of postural reflexes, termed postural instability, is difficult to quantify. Clinical assessments such as the pull test suffer issues with reliability and scaling. Here, we present an instrumented version of the pull test to objectively characterize postural responses.