Anatomy of the neck
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| The laryngeal prominence is more commonly called... | "Adam's apple"
🗑
|
||||
| What is the only bone in the human body that does not articulate with other bones? | Hyoid bone
🗑
|
||||
| The thyroid gland is divided into 3 parts: | R/L lobe and isthmus
🗑
|
||||
| The parathyroid glands are located on the __ surface of the thyroid gland | posterior
🗑
|
||||
| The thyroid gland is deep to what muscles? | Infrahyoid
🗑
|
||||
| The lobes of the thyroid gland are ____ to the trachea and larynx | anterolateral
🗑
|
||||
| What are the endrocrine functions of the thyroid gland? | Metabolism, growth,temperature regulation, secretion of T3 and T4
🗑
|
||||
| How many parathyroid glands are there? | 4
🗑
|
||||
| What are the endocrine functions of the parathyroid glands? | Regulate calcium and phospate levels
🗑
|
||||
| What are the three sections of the pharynx? (superior to inferior) | Nasopharynx, oropharynx, laryngopharynx
🗑
|
||||
| What muscles wrap around the pharynx, superficially? | Constrictors
🗑
|
||||
| What nerve innervates the muscles of the pharynx? | CN 10 (vagus nerve)
🗑
|
||||
| The larynx connects ___ (superior) to ____ (inferior) | Pharynx, trachea
🗑
|
||||
| What nerve innervates the intrinsic muscles of the larynx? | CN 10 (vagus nerve)
🗑
|
||||
| What 2 branches of the vagus nerve (CN 10) supply the larynx? | Superior laryngeal branch, recurrent laryngeal nerve
🗑
|
||||
| Proximal to the larynx, the recurrent laryngeal nerve becomes... | The inferior laryngeal nerve
🗑
|
||||
| What does the inferior laryngeal nerve innervate? | All of the intrinsic muscles of the larynx
🗑
|
||||
| What condition would result from a lesion of either the recurrent laryngeal nerve or the inferior laryngeal nerve? | Paralysis of vocal folds
🗑
|
||||
| The trachea begins inferior to what structure? | Cricoid cartilage
🗑
|
||||
| What muscular tube is continuous with the laryngopharynx? | The esophagus
🗑
|
||||
| The esophagus is divided into thirds; what types of muscle are found in each third? | 1st third (striated; voluntary), 2nd third (smooth and striated), 3rd third (smooth; involuntary)
🗑
|
||||
| What nerve, if damaged, could cause a person's voice to change? | Inferior laryngeal nerve (or recurrent laryngeal nerve)
🗑
|
||||
| What areas does the lymphatic system drain? | The interstitial space b/w cells and blood vessels
🗑
|
||||
| Platysma (inf, sup, N, Act) | Inf: fascia & skin over pectoralis major & deltoid muscles
Sup: Inferior border of mandible & skin of lower face
N: CN 7 – cervical branch (facial n)
Act: tenses skin of neck, depresses angles of mouth, weak mandible depressor
🗑
|
||||
| Sternocleidomastoid (inf, sup, N, Act) | Inf: sternal head – anterior manubrium
clavicular head –medial 1/3 clavicle
Sup: mastoid process, lateral ½ superior nuchal line of occipital bone
N: CN 11
A: Unilateral- ipsilateral lat. flex. and CONTRLATERAL rotation
bilateral – flexes neck
🗑
|
||||
| Tight SCM may cause... | Head forward posture, referred pain in head (muscle tension headaches)
🗑
|
||||
| Ansa cervicalis innervates 3 infrahyoid muscles: | Sternohyoid, sternothyroid, omohyoid
🗑
|
||||
| Sternohyoid (inf, sup, N, Act) | Inf: posterior surface of manubrium and medial clavicle
Sup: body of hyoid
N: ansa cervicalis
A: depresses hyoid
🗑
|
||||
| Thyrohyoid (inf, sup, N, Act) | Inf: oblique line of thyroid cartilage
Sup: body and greater horn of hyoid
N: (VPR) C1 via CN XII (hypoglossal nerve)
A: depresses hyoid and elevates thyroid cartilage
🗑
|
||||
| Sternothyroid (inf, sup, N, Act) | Inf: posterior manubrium of sternum
Sup: oblique line of thyroid cartilage
N: ansa cervicalis
A: depresses the thyroid cartilage (larynx)
🗑
|
||||
| Omohyoid (inf, sup, N, Act) | O: inferior belly - superior border scapula
superior belly – intermediate tendon
I: inferior belly - inferior boarder of hyoid
superior belly – body of hyoid
N: ansa cervicalis
A: depresses, retracts and stabilizes hyoid
🗑
|
||||
| Mylohyoid (inf, sup, N, Act) | Sup: mylohyiod line of mandible
Inf: raphe and body of hyoid
N: mylohyoid n (CN5)
A: elevates hyoid and tongue and during speech and swallowing
🗑
|
||||
| Geniohyoid (inf, sup, N, Act) | Sup: inferior mental spine of mandible
Inf: body of hyoid
N: branch of C1 via CN 12 (hypoglossal nerve)
A: pulls hyoid anterosuperiorly (widens pharynx during deglutition/swallowing)
🗑
|
||||
| Stylohyoid (inf, sup, N, Act) | Sup: Styloid process of temporal bone
Inf: body of hyoid
N: CN 7 (facial nerve - cervical branch)
A: elevates and retracts hyoid (elongates floor of mouth)
🗑
|
||||
| Digastric (inf, sup, N, Act) | O: Anterior belly – digastric fossa of mandible
Posterior belly – mastoid notch of temporal bone
I: intermediate tendon to hyoid
N: Anterior belly – mylohyoid n (CN 5)
Posterior belly – CN 7
A: depresses mandible, elevates hyoid
🗑
|
||||
| What structure passes between the middle and anterior scalenes? | Brachial plexus
🗑
|
||||
| What are the actions of the scalenes muscles? | Elevate ribs 1 and 2, flex cervical vertebrae and rotate C-spine to opposite side
🗑
|
||||
| Scalenus anterior attaches to... | TPs of cervical spine (sup), 1st rib (inf)
🗑
|
||||
| Scalenus medius attaches to... | TPs of cervical spine (sup), 1st rib (inf)
🗑
|
||||
| Scalenus posterior attaches to... | TPs of cervical spine (sup), 2nd rib (inf)
🗑
|
||||
| Impingement of the brachial plexus between scalenus anterior and midius may lead to referred pain in... | The scapular region / UE
🗑
|
||||
| What muscles do PTs commonly train for stability of the neck? | Prevertebral muscles (deep neck flexors)
🗑
|
||||
| Weak or inhibited "deep neck flexors" leads to... | Neck dysfunction, pain, cervical instability
🗑
|
||||
| Boundaries of posterior triangle... | Ant: SCM
Post: trapezius
Inf: Clavicle
🗑
|
||||
| Contents of posterior triangle... (veins, arteries, nerves, muscles) | Veins: EJV
Ateries: transverse cervical artery, subclavian artery, suprascapular artery
Nerves: brachial plexus, CN 11, cutaneous branch of CP
Muscles: omohyoid (inf belly), med/post scalenes, levator scapla, splenius capitus
🗑
|
||||
| Floor of posterior triangle... | Medial/posterior scalenes, levator scapula, splenius capitus
🗑
|
||||
| The subdivisions of the posterior triangle are separated by... | Inferior belly of omohyoid
🗑
|
||||
| The 2 subdivisions of the posterior triangle are called... | Occipital triangle, supraclavicular triangle
🗑
|
||||
| Boundaries of the anterior triangle... | Lat: SCM
Med: midline
Sup: mandible
🗑
|
||||
| The occipital triangle is __ to the inf. belly of the omohyoid. | Superior
🗑
|
||||
| The supraclavicular triangle is ___ to the inf. belly of the omohyoid | Inferior
🗑
|
||||
| Contents of the anterior triangle... (muscles) | Hyoid muscles
🗑
|
||||
| Submandibular triangle (aka digastric triangle) - Boarders | anterior and posterior bellies of digastric m, mandible
🗑
|
||||
| Submandibular triangle (aka digastric triangle) - Contents | *submandibular gland/duct, submandibular lymph nodes, CN 12
🗑
|
||||
| Carotid triangle - Boarders | superior belly of omohyoid, posterior belly of digastric, anterior border of SCM
🗑
|
||||
| Carotid triangle - Contents | CCA, ECA,
IJV
CN 10, 11, 12, ansa cervicalis, branches of cervical plexus
Thyroid, larynx, pharynx
🗑
|
||||
| Muscular triangle - Boarders | superior belly of omohyoid, anterior border of SCM, median plane of neck (midline)
🗑
|
||||
| Muscular triangle - Contents | Infrahyoid muscles, thyroid and parathyroid glands
🗑
|
||||
| Submental triangle - Boarders | Right and left anterior belly of digastric muscle, hyoid bone
🗑
|
||||
| Submental triangle - Contents | submental lymph nodes
🗑
|
||||
| The phrenic nerve is __ to the anterior scalene | Superficial
🗑
|
||||
| What are the 3 branches of the external carotid artery (ECA)? | Facial, maxillary, superficial temporal
🗑
|
||||
| All 3 branches of ECA enter... | the eye socket
🗑
|
||||
| EJV and cutaneous nerve are ___ to SCM | superficial
🗑
|
||||
| IVJ is ___ to SCM and cutaneous nerve | deep
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
cbaweiss
Popular Physical Therapy sets