Superficial Layer Of Intrinsic Back Muscles

Question 0

Splenius insertion

Answer 0

Capitus: mastoid process and lateral 1/3 of superior nuchal line
Cervicis: tubercles of transverse processes of C1-C3 or C4 vertebrae

Question 1

Splenius origin

Answer 1

Nuchal ligament and spinous processes or C7-T6

Question 2

Splenius main actions

Answer 2

Acting alone: laterally flex head and rotate head to side of acting muscles
Acting together: extend head and neck