Splenius Capitis
Laterally flex head and rotate face to side, bilaterally extend head
Splenius Cervicis
Laterally flex and rotate neck bilaterally extend neck
Iliocostalis Lumborum
Extension, lateral flexion, rotation of L spine; lateral movement of pelvis
Iliocostalis thoracis
Extension, lateral flexion of T spine
Iliocostalis Cervicis
Extension, lateral flexion, rotation of lower C spine
Longissimus thoracis
Lateral flexion T spine and ribs (L spine inadvertently); bilaterally act in extension of T and L spine, hold T and L spine erect (increases lordosis); lateral movement of pelvis
Longissimus Cervicis
Lateral flexion of neck; bilaterally extend neck
Longissimus Capitis
Rotate and laterally flex head; bilaterally extend head
Spinalis Thoracis
Extend T spine
Spinalis Cervicis
Lateral flexion and rotation of C spine; bilaterally extend neck
Spinalis Capitis
Lateral flexion and rotation of head; bilaterally extend head
Semispinalis thoracis
Extension, rotation and lateral flexion of upper T and lower C spine; bilaterally extend T spine
Semispinalis Cervicis
Extension, rotation and lateral flexion of C spine; bilaterally extend neck
Semispinalis Capitis
Turns face to side; bilaterally extends head (neck inadvertently)
Rectors Capitis Posterior Major
Turns face to side; bilaterally extends head
Rectus Capitis posterior minor
Extends head
Obliquus Capitis Superior
Lateral flexion of head; bilaterally extends head
Obliquus Capitis inferior
Turns face to side
Quadratus lumborum
Steadies origin of diaphragm, when pelvis is fixed it will laterally flex the L spine; bilaterally extends the L spine; stabilizes and depresses the 12th rib
Serrated Posterior Superior
Elevate upper 5 ribs in inspiration
Serratus Posterior Inferior
Draws lower 4 ribs down and back; forced inspiration
Longissimus Colli
Flexion and extension of neck; rotation to the contralateral side
Longus Capitis
Flex the head
Rectus Capitis Anterior
Flex the head
