Bijan-Nejad D, Asadi-Fard Y*, Dahaz S and Heidari-Moghadam A
Purpose: Surface anatomy and living anatomy is essential for understanding the foundation of physical examination, and the interpretation of clinical findings. The sternal angle is an important clinical landmark for identifying many other anatomical points. Many books have stated that sternal angle (Louis angle) passing of T4-T5 intervertebral disc. Numerous inconsistencies in clinically important surface markings exist between and within anatomical reference texts. The purpose of this study is to determine the vertebral level of this plane in living subjects....