TY - CHAP M1 - Book, Section TI - Forearm A1 - Toth, Eric A1 - Webley, James A2 - Sherman, Scott C. PY - 2019 T2 - Simon's Emergency Orthopedics, 8e AB - The radius and the ulna lie parallel to each other and are invested at their proximal ends with a relatively large muscle mass. Because of their close proximity, injury forces typically disrupt both bones and their ligamentous attachments. They can be thought of conceptually as two cones lying next to each other pointing in opposite directions (Fig. 13–1). SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1154632696 ER -