learning the muscle groups axial skeleton

suprahyoid muscles

mylohyoid, stylohyoid, geniohyoid, digastric

the suprahyoid muscles __

all but digastric elevate hyoid and tongue

digastric retracts mandible

infrahyoid muscles

thyrohyoid, sternothyroid, sternohyoid, omohyoid

the infrahyoid muscles ___

all depress the hyoid bone and thyroid cartilage

the longus capitis and longus colli both ___

laterally flex head and neck ipsilaterally

rotate head ipsilaterally

bilaterally flex the head

recuts capitis anterior

flexes the head and neck at the atlantooccipital joint

recuts lateralis

laterally flexes the head and neck ipsilaterally at the atlantoocciptial joint

splenus capitis and splenus cervicis both

rotate the head and neck ipsilaterally

laterally flex the neck ipsilaterally

bilaterally extend the head and neck

erector spinae group

spinalis, longissumus, iliocostalis

the erector spinae group all

laterally flex the vertebral column ipsilaterally

bilaterally extend the vertebral column

transversospinalis muscle group

rotatores, multifidus, semispinalis capitis

the rotatores and multifidus both

extend the vertebral column bilaterally and rotate the vertebral column contrallateraly

the semispinalis capitis

only extends the vertebral column and the head

suboccipitals (deep neck muscles)

rectus capitis posterior major

rectus capitis posterior minor

oblique capitis superior

oblique capitits inferior

the rectus capitis posterior major, rectus capitis posterior minor, and oblique capitis superior all __

rock and tilt the head back into extension

the oblique capitis inferior only

rotates ipsilaterally at the atlantoaxial joint

the rectus capitis posterior major also

rotates ipsilaterally at the atlanoaxial joint

the oblique capitis superior also

laterally flexes ipsilaterally