Muscles of Head and Neck Part 2 Flashcards
Prevertebral Muscles
located anterior to cervical vertebrae
Longus colli, Longus Capitis, Rectus Capitis Anterior, Rectus Capitis Lateralis
Longus Colli (O, I, A, N)
O: transverse processes of lower cervical vertebra
I: bodies of upper cervical vertebra
A: Flex neck
N: Cervical Ventral Rami
Longus Capitis (O, I, A, N)
O: transverse processes of C3-C6 vertebra
I: Occipital bone
A: Flex Head
N: Cervical ventral rami
Rectus Capitis Anterior (O, I, A, N)
O: Atlas
I: Occipital Bone
A: Flex Head
N: Cervical ventral rami
Rectus Capitis Lateralis (O, I, A, N)
O: Transverse process of Atlas
I: Occipital bone
A: Flex head
N: Cervical ventral rami
Superior Constrictor (O, I, A, N)
O: pterygomandibular raphe
I: Pharyngeal raphe
A: constrict pharynx
N: CN X
Middle Constrictor (O, I, A, N)
O: Hyoid Bone
I: Pharyngeal raphe
A: constrict pharynx
N: CN X
Inferior Constrictor (O, I, A, N)
O: Thyroid and cricoid cartilages
I: pharyngeal raphe
A: constrict pharynx
N: CN X
Stylopharyngeus (O, I, A, N)
O: Styloid Process of Temporal Bone
I: Thyroid Cartilage
A: Raises Pharynx and pulls wall laterally
N: CN IX
Palatopharyngeus (O, I, A, N)
O: Soft palate- palatine aponeurosis
I: Thyroid Cartilage
A: Raises pharynx and pulls down soft palate
N: CN X
Salpingopharyngeus (O, I, A, N)
O: auditory tube
I: Thyroid cartilage
A: Raises pharynx
N: CN X
Rectus Capitis Posterior Major (O, I, A, N)
O: Axis (C2)
I: Occipital Bone
A: extends head, rotates skull in unilateral action
N: Suboccipital N. (Dorsal Ramus of C1)
Rectus Capitis Posterior Minor (O, I, A, N)
O: Atlas (C1)
I: Occipital Bone
A: Extends head
N: Suboccipital N. (Dorsal Ramus of C1)
Obliquus Capitis Inferior (O, I, A, N)
O: Axis (C2)
I: Atlas (C1)
A: Rotates head
N: Suboccipital N. (Dorsal Ramus of C1)
Obliquus Capitis Superior (O, I, A, N)
O: Atlas (C1)
I: Occipital bone
A: Extends head
N: Suboccipital N. (Dorsal Ramus of C1)
