head, neck and face Flashcards
semispinalis capitis oia
O transverse processes of c4-t5
I: Between superior and inferior Nuchal lines of occiput
A: extend the vertebral column and head
splenius capitus oia
O: inferior 1/2 of ligamentum nuchae and spinousprocesses of c7 to t4
I: Mastoid process and lateral portion of superior nuchal line
A: Unilaterally: rotate the head and neck to same side, Laterally flex the head and neck to same side
Bilaterally: extend head and neck
splenius cervicis ois
O: spinous processes of t3-t6
I: transverse processes of c1-c3
A: Unilaterally: rotate the head and neck to same side, Laterally flex the head and neck to same side
Bilaterally: extend head and neck
suboccipitals: name the 4 muscles
rectus capitis posterior major
rectus capitis posterior minor
Oblique capitis superior
Oblique capitis inferior
rectus capitis posterior major (suboccipitals) oia
O: spinous process of c2 (axis)
i: inferior nuchal line of the occiput
A: rock and tilt the head back into extension, rotate head to same side
Rectus capitis posterior minor (suboccipitals) oia
O: tubercle of the posterior arch of the atlas (c1)
I: inferior nuchal line of the occiput
A: rock and tilt head back into extension
Oblique capitis superior (suboccipitals) oia
O: transverse process of the atlas c1
I: between the nuchal lines of occiput
A: rock and tilt head back into extension, laterally flex head to the same side
Oblique Capitis inferior (suboccipitals) oia
O: spinous process of the axis c2
I: transverse process of the atlas c1
a: rotate head to same side
sternocleidomastoid oia
O: sternal head: top of manubrium
Clavicular head: medial 1/3 of clavicle
I: mastoid process of the temporal bone and lateral portion of the superior nuchal line of the occiput
A: Unilaterally: Laterally flex the head and neck to same side, rotate the head and neck to opposite side
Bilaterally: Flex the neck, assist to elevate the rib cage during inhalation
Scalenes name the 3 portions
anterior
middle
posterior
Anterior scalenes oia
O: transverse processes of c3-c6 vertebrae (anterior tubercles
I: first rib
A: Unilaterally: with ribs fixed, laterally flex the head and neck to same side (all) , rotate head and neck to opposite side (all)
Bilaterally: elevate ribs during inhalation(all), flex the head and neck (just anterior)
Middle scalenes oia
O: transverse processes of c2-c7 vertebrae (posterior tubercles)
I: first rib
A: Unilaterally: with ribs fixed, laterally flex the head and neck to same side (all) , rotate head and neck to opposite side (all)
Bilaterally: elevate ribs during inhalation(all)
Posterior scalenes oia
O: transverse processes of c6-c7 vertebrae (posterior tubercles)
I: second rib
A: Unilaterally: with ribs fixed, laterally flex the head and neck to same side (all) , rotate head and neck to opposite side (all)
Bilaterally: elevate ribs during inhalation(all), flex the head and neck (just anterior)
Temporalis oia
O: temporal fossa and fascia
I: coronoid process and anterior edge of ramus of the mandible
A: Elevate the mandible (temporomandibular joint), retract the temporomandibular joint
masseter oia
O zygomatic arch
I: angle and ramus of mandible
A: Elevate the mandible (temporomandibular joint), may assist to protract the temporomandibular joint