Neck Flashcards
iliocostalis cervicis origin
Angles of upper 6 ribs
Iliocostalis cervicis insertion
transverse processes of fourth to sixth cervical vertebrae
Iliocostalis cervicis action
bilateral action: extention of vertebral column. Unilateral action: bend vertebral column towards same side (lateral flexion)
Iliocostalis cervicis innervation
Posterior rami of spinal nerves in area of muscles
Iliocostalis cervicis blood supply
Occipital, deep cervical, and vertebral arteries
longissumus cervicis origin
transverse processes of upper 4-6 thoracic vertebrae
longissimus cervicis insertion
transverse processes of C2-C6
longissimus cervicis action
bilateral action: extention of vertebral column. Unilatera: bend vertebral colum towards same side (lateral flexion)
longissimus cervicis innervation
posterior rami of spinal nerves in area of muscles
longissimus cervicis blood supply
occipital, deep cervical, amd vertebral arteries
Splenius capitis origin
liganentum nuchae: spinous processes of seventh cervical vertebrae, and first 3 or 4 thoracic vertebrae
splenius capitis insertion
mastoid process and occipital bone
splenius capitis action
rotation of head and cervical vertebral column to same side
splenius capitis innervation
posterior rami of middle cervical spinal nerves
splenius capitis blood supply
occipitalm deep cervical arteries
splenius cervicis origin
spinous processess of third to sixth thoracic vertebrae
splenius cervicis insertion
transverse processes of upper 2 to 4 cervical vertebrae
splenius cervicis action
rotation of head and cervical vertebral column to same side
splenius cervicis innervation
posterior rami of middle cervical spinal nerves
SPlenius cervicis blood supply
Occipital, deep cervical arteries
semispinalis cervicis origin
transverse processes of upper 5 or six thoracic vertebrae
semispinalis cervicis insertion
spinous processes of 2nd (axis) to 5th cervical vertbrae
semispinalis cervicis action
extention of vertebral column
semispinalis cervicis innervation
posterior rami of cervical and thoracic spinal nerves
semispinalis cervicis blood supply
occipital, deep cervical, and vertebral arteries
obliquus capitis inferior origin
spinous process of axis (C2)
Obliquus capitis inferior insertion
transverse process of the atlas (C1)
obliquus capitis inferior action
rotation of atlas (turn head to side)
obliquus capitis inferior innervation
posterior rami of C1
obliquus capitis inferior blood supply
vertebral artery and occipital arteries
Obliquus capitis superior origin
transverse process of atlas (C1)
Obliquus capitis superior insertion
occipital bone
Obliquus capitis superior action
extention and lateral bending of head
Obliquus capitis superior innervation
posterior ramus of C1
Obliquus capitis superior blood supply
vertebral artery and occipital arteries
Rectus capitis posterior major origin
Spinous porcess of axis (C2)
Rectus Capitis posterior major insertion
occipital bone
Rectus capitis posterior major action
extention of head; rotation of head to same side
Rectus capitis posterior major innervation
posterior ramus of C1
Rectus capitis posterior major blood supply
vertebral artery and occipital arteries
Rectus capitis posterior minor origin
posterior tubercle of atlas (C1)
Rectus capitis posterior minor insertion
occipital bone
rectus capitis posterior minor action
extends head unilateral rostation to same side
rectus capitis posterior minor innervation
posterior ramus of C1
Rectus capitis posterior minor blood supply
Vertebral artery and occipital arteries
sternocleidomastoid origin
sternum and medial 1/3 of clavicle
sternocleidomastoid insertion
mastoid process of temporal bone
sternocleidomastoid action
bilateral: flexion of head and nex. Unilateral: lateral flexion (turns face to oppisite side)
sternocleidomastoid innervation
accessor nerve (motor); spinal nerves C2 and C3 (sensory)
sternocleidomastoid blood supply
superior thyroid, occipital, suprascapular, and posterior auricular arteries
Anterior scaleane origin
transverse processeses of 3rd to 6th cervical vertebrae
anterior scalene insertion
1st rib
anterior scaleane action
fixation of 1st rib during inhalation, with rib fixed: lateral flexion
anterior scalene innervation
anterior rami of spinal nerves at origin of muscle
anterior scalene blood supply
ascending cervical artery
medial scalene origin
transverse processes of lower 5 to 6 cervical vertebrae
medial scalene insertion
1st rib
medial scalene action
fixation or elevation of 1st rib during inhalation. with rib fixed lateral flexion of neck
medial scalene innervation
anterior rami of cervical sipnal nerves at origin muscle
medial scalene blood supply
ascending cervical artery
posterior scalene origin
transverse processes of 4th to 6th cervical vertebrae
posterior scalene insertion
2nd rib
posterior scalene action
fixation of 2nd rib during inhalation. with rib fixed lateral flexion of neck
posterior scalene innervation
anterior rami of cervical spinal nerves at origin muscle
posterior scalene blood supply
ascending cervical artery, superficial branch of transverse cervical artery
Longus coli origin
Bodies of C5-T3
Longus coli insertion
Anterior tubercle C1, dodies of C2 and 3, transverse processes of C3-C6
Longus coli action
flexion, possibly lateral flexion of neck
Longus coli innervation
Anterior rami of C2-C6
Longus capitis origin
Transverse processes of C3-C6
Longus coli blood supply
Ascending pharangeal, ascending cervical and vertebral arteries
Longus capitis insertion
occipital bone
Longus capitis innervation
Anterior rami of C1-C3
Longus capitis action
flexion of head and upper cervical vertebrae
Longus capitis blood supply
Ascending cervical artery and inferior thyroid artery