Bones
Sometimes called the "bump of knowledge," this landmark is a superficial point at the center of the occiput.
external occipital protuberance
This structure is also called the "windpipe," is a ribbed cartilaginous tube, and is deep to the thyroid gland.
trachea
flexion of the cervical spine
SCM
scalenes (anterior)
longus capitis
longus colli
temporalis
elevate the mandible
retract the mandible
masseter
O: zygomatic arch
I: angle & ramus of mandible
This is the bony landmark on the mandible that hides underneath the zygomatic arch when the jaw is closed.
coronoid process
This structure is nicknamed the "Adam's apple" and is located superior to the cricoid cartilage.
thyroid cartilage
lateral flexion of cervical spine
SCM
scalenes
longus capitis
longus colli
Suprahyoids
elevate the hyoid & the tongue
depress the mandible
digastric
O: mastoid process
I: mandible (inferior border)
This bone is located behind the eyeballs and is shaped like a butterfly because of it's wing-shaped landmarks.
Sphenoid
This structure is deep to the SCM, and its strong pulse can be felt medial to the SCM.
common carotid artery
rotation of cervical spine
longus colli
longus capitis
scalenes
SCM
Occipitofrontalis
frontalis belly: raises eyebrows & wrinkles forehead
occipitalis belly: anchors & retracts the galea posteriorly
Infrahyoids
O: (sternohyoid & sternothyroid) manubrium;
(thyrohyroid) thyroid cartilage;
(omohyoid) scapula, superior border
I: (sternothyroid) thyroid cartilage
(the other 3) hyoid bone
This bony landmark is on the temporal bone, and creates the hole for your ear.
external auditory meatus
These are the 3 salivary glands in the neck and face.
parotid
submandibular
sublingual
retraction of the mandible
temporalis
digastric
Levator Labii Superioris
"Elvis lip"
protrude/lift upper lip
longus capitis
O: C3-C6 (transverse processes)
I: occiput (inferior surface)
Name the 3 bony landmarks on the temporal bone.
1. mastoid process
2. styloid process
3. zygomatic arch (half is on the temporal bone, the other half on the zygomatic bone)
Describe the pathway of the brachial plexus, starting at its root.
Root starts at C5-T1 -> squeezes between anterior & medial scalenes -> ducks underneath the clavicle -> heads to the axillary region -> goes down the arm
lateral deviation of the mandible
lateral pterygoid (to contralateral side)
medial pterygoid (to contralateral side)
Levator Labii Superioris Alaeque Nasi (LLSAN)
"disgust"
elevates nasal ala (flaring nostrils)
elevates/protrudes upper lip
longus colli
O: C3-T3
(bodies of C5-T3; transverse processes of C3-C5)
I: C1-6
(anterior arch of atlas; bodies of axis, C3, C4; transverse processes of C5-6)