Podcast
Questions and Answers
Which muscle divides the neck into anterior and posterior triangles?
Which muscle divides the neck into anterior and posterior triangles?
- Levator scapulae
- Sternocleidomastoid muscle (correct)
- Scalene muscles
- Trapezius muscle
What is the apex of the posterior cervical triangle formed by?
What is the apex of the posterior cervical triangle formed by?
- Posterior border of sternocleidomastoid
- Intermediate 1/3 of clavicle
- Meeting of the anterior and posterior borders (correct)
- Anterior border of trapezius
Which structure is located in the floor of the posterior triangle?
Which structure is located in the floor of the posterior triangle?
- External jugular vein
- Levator scapulae
- Superficial cervical artery
- Splenius capitis (correct)
What divides the anterior triangle superiorly from the chin to the hyoid bone?
What divides the anterior triangle superiorly from the chin to the hyoid bone?
Which of the following is found in the contents of the posterior triangle of the neck?
Which of the following is found in the contents of the posterior triangle of the neck?
Flashcards
Neck Triangle Divisions
Neck Triangle Divisions
The sternocleidomastoid muscle divides the neck into the anterior and posterior triangles.
Posterior Triangle Apex
Posterior Triangle Apex
The apex of the posterior cervical triangle is formed by the meeting point of its anterior and posterior borders.
Posterior Triangle Floor
Posterior Triangle Floor
The splenius capitis muscle forms part of the floor of the posterior triangle of the neck.
Anterior Triangle Superior Boundary
Anterior Triangle Superior Boundary
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Posterior Triangle Contents
Posterior Triangle Contents
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Study Notes
Muscles and Triangles of the Neck
- The sternocleidomastoid muscle divides the neck into anterior and posterior triangles.
Posterior Cervical Triangle
- The apex of the posterior cervical triangle is formed by the Trapezius muscle.
Floor of the Posterior Triangle
- The floor of the posterior triangle is located at the First Rib and the Scalenus Anterior muscle.
Anterior Triangle
- The digastric muscle divides the anterior triangle superiorly from the chin to the hyoid bone.
Contents of the Posterior Triangle
- The contents of the posterior triangle of the neck include the Spinal Accessory Nerve and the Subclavian Artery.
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