Deep Back Muscles Origins and Insertions Flashcards
Splenius capitus
Origin - ligamentum nuchae, spinous process of C7 - T3
Insertion - occipital bone, mastoid process
Splenius cervicus
Origin - spinous process of T3 - T6
Insertion - transverse process of C2 - C4
Iliocostalis lumborum
Origin - common tendon of erector spinae
Insertion - angle of ribs 6 - 12
Iliocostalis thoracic
Origin - lower 6 ribs
Insertion - upper 6 ribs
Iliocostalis cervicis
Origin - ribs 3 - 6
Insertion - transverse processes C4 - C6
Longissimus thoracis
Origin - part of the common tendon of the erector spinae group
Insertion - lower 9 ribs
Longissimus cervicis
Origin - transverse process of T1 - T5
Insertion - transverse process of C2 - C6
Longissimus capitis
Origin - tendon of insertion of longissimus cervicis
Insertion - mastoid processes
Spinalis thoracis
Origin - spine of T11 - L2
Insertion - spine of T1 - T4
Semispinalis cervicis
Origin - transverse process of T1 - T6
Insertion - spine of C2 - C5
Semispinalis capitis
Origin - transverse and articular processes of T1 - T6
Insertion - occipital bone
Long rotators
Origin - transverse processes
Insertion - spinous processes of 2nd vertebrae above
Short rotators
Origin - transverse processes
Insertion - spinous process of vertebrae above
Oblique capitis inferior
Origin - spine of axis
Insertion - transverse process of atlas
Oblique capitis superior
Origin - transverse process of atlas
Insertion - occipital bone