2 Written Questions

1. Most medial of the deep muscles of the back. Lies in the mid-dorsal thoracic region
2. A thin sheet of muscle and tendon located on the dorsal part of the thorax and neck

2 Multiple Choice Questions

1. Best seen in sacral region adjacent to mid-dorsal line. In thoracic region, covered by other deep back muscles. Extends into the neck and continues as the semispinalis cervicis.
   1. Multifidus spinae
   2. Longissimus dorsi
   3. iliocostalis
   4. Spinalis dorsi
2. Thick muscles mass lying lateral to Spinalis dorsi. Fills the space between the spinous and transverse process of vertebrae in the thoracolumbar region.
   1. Longissimus dorsi
   2. Spinalis dorsi
   3. iliocostalis
   4. Multifidus spinae

2 True/False Question

1. iliocostalis → Lateralmost the the three longitudinal muscles of the back. Lies on the dorsal portion of the ribs and is covered by the serratus dorsalis muslces
   

   True        False

2. Serratus dorsalis inferior → A thin sheet of muscle and tendon located on the dorsal part of the thorax and neck
   

   True        False