muscles of the skull Flashcards
muscle attached to the temporal lines of the frontal bone
temporalis
muscle attached to the superior and inferior temporal lines of the parietal
temporalis
muscle attached to the mastoid fossa of the temporal bone
digastrics
muscle attached the supramastoid and suprameatal lines of the temporal bone
posterior temporalis
muscle attached to the superior nuchal line of the occipital bone
trapezius
muscle attached in-between the superior and inferior nuchal lines of the occipital bone
semispinalis capitis
muscle attached to the inferior nuchal line of the occipital bone
rectus capitis posterior
muscle attached to the lateral surfaces of the pterygoid plates of the sphenoid
medial and lateral pterygoid muscles
muscle attached to the coronoid process of the mandible
temporalis
muscle attached to the gonial angle of the mandible
masseter
muscle attached to the mental spine of the mandible
geniglossus
muscle attached to the mylohyoid line not groove of the mandible
mylohyoid
muscle attached to the digastric fossa of the mandible
digastric
attachments and function of the temporalis
coronoid process of the mandible to the temporal lines of the frontal, inferior and superior temporal lines of the parietal and posterior aspect to the supramastoid and suprameatal lines of the temporal bone
mastication
attachments and function of the digastric
hyoid anterior inferior aspect to the digastric fossa of the mandible and mastoid fossa of the temporal
jaw movement
attachment and function of the trapezius
from the superior nuchal line of the occipital to the to lateral and posterior clavicle and lateral acromion and lower border of spine of scapula of scapula
adduction, elevation, depression and rotation of scapula
attachment and function of the semispinalis capitis
from between the superior and inferior nuchal lines of the occipital to the transverse processes of C4-T7
extends and rotates head
attachment and function of the rectus capitis posterior
from inferior nuchal line of the occipital to the axis
extends and rotates head
attachment and function of the pterygoid muscles
the lateral surfaces of the pterygoid plates of the sphenoid to the pterygoid tuberosity of the mandible
opening and closing of the mouth
attachment and function of the masseter
from the gonial angle and the zygomatic process
chewing
attachment and function of the genioglossus
mental spine of the mandible to the hyoid bone
protruding tongue
attachment and function of the mylohyoid bone
anterior inferior hyoid bone to the mylohyoid line of the mandible
raises floor of the mouth and tongue
