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Triangle of the Neck Exam With Complete Solutions Latest Update
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2025-2026 Triangle of the Neck Exam With CompleteSolutions Latest Update
What muscles are in the floor of the posterior triangle? - ANS Semispinalis Capitis,
Levator scapulae, middle scalene, posterior scalene
What is the superficial structures of the posterior triangle - ANS Platysma
• Investing Fascia
• "Pattern" of Superficial Veins
• Cutaneous and Other Nerves
* Lymphatics
• Floor of muscles
What nerves would you identify in the superficial layer of the posterior trying - ANS
Great auricular nerve
Lesser occipital nerve
Spinal accessory nerve CN 11
Lateral supraclavicle nerves
Medial supraclavicle nerves
Transverse cervical nerve
intermediate superclavicle nerve
Which of the following borders make up the posterior triangle - ANSWER Trapezius
SCM
Clavicle
, What infrahyoid or strap muscle are found inside the muscular triangle ? - ANSWER
sternohyoid, sternothyroid, thyrohyoid, omohyoid
What are the muscular triangle made up of? - ANSWER Superiorly: The hyoid bone.
Medially: Imaginary midline of the neck.
Supero-laterally: Superior belly of the omohyoid muscle.
Infero-laterally: Inferior part of sternocleidomastoid muscle.
Carotid triangle- borders - ANSWER Superior: Posterior belly of the digastric muscle.
Lateral: Medial border of sternocleidomastoid muscle.
Inferior: Superior belly of the omohyoid muscle.
Carotid triangle contents - ANSWER carotid sheath with carotid arteries, internal jugular
vein and vagus nerve, deep cervical lymphatics
What are the boundaries of the submental triangle? - ANS Inferiorly - Hyoid bone.
Medially - Imaginary sagittal midline of the neck.
Laterally - Anterior belly of the digastric.
Name the borders of the submandibular triangle. (Digastric ) - ANS Superiorly: Body of
the mandible.
Anteriorly: Anterior belly of the digastric muscle.
Posteriorly: Posterior belly of the digastric muscle
What is contained in the submental triangle? - ANSWER Submental lymph nodes
receiving drainage from tip of tongue
What is contained in the submandibular (digastric)triangle? - ANSWER submandibular
salivary gland, lymph nodes, facial artery & vein, hypoglossal nerve superficial to
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