Physical trauma starts with the transfer of energy to the body from an outside source. Dr Joseph Mathew, an Emergency Physician & Deputy Director of the Trauma Service at the Alfred discusses how knowledge of patterns of injury and common mechanisms together with patient presentation can help us to have a healthy clinical suspicion of potential injuries related to that trauma. Joseph shares his knowledge and experience on known injury relationships to strengthen your assessment of a major trauma patient. Current at date of publication 21/05/2020.