erroctor spinae group
most of muscles of lower back
longissmus
illocostalis muscles (3)
Cervicis
Thoracis
Lumborum
illocostalis movement
extends, laterally flexes and rotates vertebral column
longissmus cervis
extends neck
longissmus capitis
extends head
longissmus thoracis
extends vertberal collumn
spinalis cervis
extends neck
spinalis thoracis
extends vertebral column
5 deep spinal muscles
interspinales
extends back and neck
intertransversalli
laterally flexes vertebral collumn
multifidis
extends and rotates vertebral collumn
Psoas minor
flexes vertebral collumn
Rotatores
extends and rotates vertebral column