Figure 12.6 Using the above-referenced diagram of a cross-section at the level of vertebra T12, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label X.
A) Longissimus thoracis muscle B) Spinalis thoracis muscle C) Psoas major muscle D) Quadratus lumborum muscle E) Iliocostalis lumborum muscle