intermediate muscles DA

Question 1

splenius capitis

Answer 1

Fibers run superolaterally to mastoid process of temporal bone and lateral third of superior nuchal line of occipital bone.

Question 2

splenius cervicis

Answer 2

tubercles of TP of C1–C3 or C4 vertebrae

Question 3

erector spinale group : iliocostalis

Answer 3

lower rib angle and cervical TP

Question 4

erector spinale group: longissimus

Answer 4

between rib tubercles and angles to the throacic TP

Question 5

erector spinale group: spinalis

Answer 5

upper thoracic SP and to cranium

Question 6

rotatores (superior attachment)

Answer 6

SP of lumbar vertebrae through second cervical vertebrae (rotatores span 1-2 vertebrae)

Question 7

multifidus (superior attachment)

Answer 7

thickest in lumbar region; fibers pass obliquely superomedially to entire length of SP, located 2–4 segments superior to proximal attachment

Question 8

semispinalis capitis (superior attachment)

Answer 8

Fibers run superomedially to occipital bone and SP in thoracic and cervical regions, spanning 4–6 segments.