Anterior Neck Flashcards
anterior boundary of neck
first rib superiorly to the ramus of the mandible
posterior boundary of neck
superior nuchal line markers upper border
function of hyoid bone
keeps the airway open and is important in swallowing
where is the hyoid bone located
c3
superior to thyroid cartilage
where is the carotid tubercle
anterior tubercle on the transverse process of c6
where can carotid tubercle be palpated
anterior border of the sternocleidomastoid muscle
where is thyroid cartilage
level of c4
where can cervical ganglion be found
deep to birfuration of common carotid
where is cricoid cartilage
level of c6
what is unique about cricoid cartilage
forms a complete ring
what does the cricoid cartilage mark the approx location of
middle cervical ganglion
junction of phyarnx and esophagus
junction of larynx with the trachea
platysma
thin sheet of muscle located in the superficial fascia of the neck
- muscle of facial expression
innervation of platysma
facial nerve
origin of trap
superior nuchal line and thoracic vertebral spinous processes
insertion of trap
lateral aspect of clavicle, acromion and spine of scapula
innervation of trap
spinal accessory
origin of medial head of sternocleidomastoid
manubrium of the sternum
origin of lateral head of sternocleidomastoid
clavical
insertion of sternocliedomastoid
mastoid process of the temporal bone
function of suprahyoid
connects hyoid bone to the skull
- elevates hyoid
assists in opening jaw
depreses mandible
infrahyoid muscle function
depresses and fixes/stabilizes hyoid bone
important in final stages of swallowing
what scalene does the phrenic run over
anterior
function of scalnes
flex neck laterally and elevate first and second ribs during forced inspiration
where is the trunk of brachial plexus located in terms of scalene muscle
anterior and middle