head and neck-cervical body wall muscles

ventral muscles

-sternothyroid
-sternohyoid
-thyrohyoid
-omohyoid
-geniohyoid

function of sternothyroid

depression of thyroid cartilage

function of sternohyoid

depression of hyoid bone

function of thyrohyoid

-depression of hyoid bone
-elevation of thyroid cartilage

function of omohyoid

depression and stabilization of hyoid bone

function of geniohyoid

-elevation of hyoid bone
-depression of mandible

lateral outermost muscle

levator scapulae

function of levator scapulae

-elevation of scapula
-lateral flexion of neck

lateral external muscle

posterior scalene

posterior scalene function

-lateral flexion of lower cervical vertebrae
-elevation of 2nd rib

lateral middle muscle

middle scalene

middle scalene function

-lateral flexion of cervical vertebrae
-elevation of first rib

lateral internal muscle

anterior scalene

anterior scalene function

-lateral flexion and rotation of cervical vertebrae
-elevation of first rib

subvertebral muscles

-longus colli
-longus capitis

function of longus colli

-flexion of neck
-rotation of neck

function of longus capitis

flexion of the head