Insertion- Lower 9 ribs and transverse processes of thoracic vertebrae, transverse processes of cervical vertebrae, mastoid process of temporal bone
Longissimus
Origin- Commont tendon, transverse processes of upper 5 thoracic vertebrae
Longissimus
Insertion- Transverse processes of lumbar vertebrae 1-3 and posterior surface of ribs 6-12, posterior surface of ribs 1-6, transverse processes of lower cervicals
Iliocostalis
Origin- Common tendon, posterior surface of ribs 1-12
Iliocostalis
Insertion- Spinous processes of upper thoracic, spinous processes of cervical vertebrae except C-1
Spinalis
Origin- Spinous processes of upper lumbar and lower thoracic vertebrae, Ligamentum nuchae, spinous process of C-7
Spinalis
Insertion- Lower 9 ribs and transverse processes of thoracic vertebrae, transverse processes of cervical vertebrae, mastoid process of temporal bone
Longissimus
Origin- Commont tendon, transverse processes of upper 5 thoracic vertebrae
Longissimus
Insertion- Transverse processes of lumbar vertebrae 1-3 and posterior surface of ribs 6-12, posterior surface of ribs 1-6, transverse processes of lower cervicals
Iliocostalis
Origin- Common tendon, posterior surface of ribs 1-12