Introduction: trauma is the leading cause of mortality in individuals less than 45 years. The principles of Advanced Trauma Life Support (ATLS) which is used around the world in resuscitation of trauma patients have been considered to be safe. However, the outbreak of corona virus disease 2019 (COVID-19) has affected the processes and characteristics of acute trauma patients seen around the world. This study is intended to determine the impact of COVID-19 lockdown on the acute trauma patients seen in a Nigerian trauma centre. Methods: this is a cross-sectional [ABSTRACT FROM AUTHOR]