Triangles Of The Neck Flashcards
There are how many triangles of the neck?
6 triangles
What are the six triangles of the neck?
Suprahyoid triangle
Submaxillary triangle
Occipital triangle
Inferior carotid triangle
Supraclavicular triangle
Superior carotid triangle
The quadrilateral side of the neck is bounded inferiorly by?
Upper border of clavicle
The neck quadrilateral is divided into the post and anterior main triangles by?
The sternocleidomastoid muscle
The sternocleidomastoid muscle originates from?
Clavicle and sternum upwards and backwards
The SCM muscle inserts into?
The mastoid process and superior nuchal line
Ant. Boundary of post triangle
The SCM muscle
Posterior boundary of post triangle
The trapezius muscle
Roof of post triangle is formed by?
Skin
Superficial fascia
Plantsma muscle
The floor of the post triangle is formed by ?
Solenoid capitis
Levator scapulae
Posterior scalene
Middle scalene
Ant scalene
The post triangle is divided into ?
Occipital triangle
And supraclavicular triangle
The post triangle is divided into two triangles by ?
by the inferior belly of the omohyoid muscle
The supraclavicular triangle is formed by ?
Inferior belly of omohyoid
Clavicle
SCM muscle
The occipital triangle is formed by the ?
Inferior belly of the omohyoid
Trapezius muscle
SCM muscle
Contents of the post triangle ?
Muscles
Nerves and plexuses
Lymph nodes
Arteriess
Nerves in the post triangle ?
Spinal Accessory nerve
Branches of cervical plexus
Roots and trunks of brachial plexus
Boundaries of the ant triangle
Anterior border of the SCM. Muscle
Midline of the neck
Inferior border of the mandible
The ant triangle has 4 triangles namely?
Sub mandibular triangle
Submental triangle
Carotid triangle
Muscle triangle
The submental triangle is formed by ?
Hyoid bone
Anterior belly of digastric muscle
Ant midline of the neck
The carotid triangle is formed by ?
Superior belly of the omohyoid muscle
SCM muscle
Post belly of the digastric muscle
The muscular triangle is formed by ?
Midline of the neck
Superior belly of the omohyoid
SCM muscle
The apex of the post triangle is formed by ?
Post border of SCM. Muscle and ant border of trapezius
Where does the occipital artery emerge from ?
Under cover of the splenius capitis
What are the nerves that emerge through the semispinalis capitis and supply skin of scalp?
Greater occipital nerve
Third occipital nerve