Muscles of the neck and back that act on the posterior head, posterior neck, back, and vertebral column (Part 1)
- Splenius:
- Splenius capitis
- Splenius cervicis
- Erector spinae (iliocostalis group/lateral):
- Iliocostalis cervicis
- Iliocostalis thoracis
- Iliocostalis lumborum
- Erector spinae (longissimus group/intermediate):
- Longissimus capitis
- Longissimus cervicis
- Longissimus thoracis
- Erector spinae (spinalis group/medial):
- Spinalis capitis
- Spinalis cervicis
- Spinalis thoracis