RT Book, Section A1 Ahern, Gerard A1 Brygel, Maurice SR Print(0) ID 1167659186 T1 Spine T2 Exploring Essential Surgery YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 9781264269587 LK accesssurgery.mhmedical.com/content.aspx?aid=1167659186 RD 2024/03/29 AB The functions of the back regions are protection (spinal cord and nerves), posture, trunk stability, weight bearing and movement.