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Posterior Triangle of the Neck 3D

  • Description
    • * Is bounded anteriorly by the posterior border of the sternocleidomastoid muscle (SCM), posteriorly by the anterior border of the trapezius muscle, and inferiorly by the middle third of the clavicle.
    • * Muscles within the posterior triangle include the sternocleidomastoid muscle (SCM), splenius capitis muscle, levator scapulae muscle, and scalene muscles (anterior, middle, and posterior).
    • * Nerves found in the posterior triangle include the accessory nerve (CN XI), brachial plexus, and cutaneous branches of the cervical plexus.
    • * Vessels within the posterior triangle include the external jugular vein, subclavian artery (third part), and transverse cervical artery.
    • Major Divisions and Bones of Neck * Other structures present in the posterior triangle are lymph nodes (superficial and deep cervical), the omohyoid muscle, and the passage of the phrenic nerve.

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  • Description
    • * Is bounded anteriorly by the posterior border of the sternocleidomastoid muscle (SCM), posteriorly by the anterior border of the trapezius muscle, and inferiorly by the middle third of the clavicle.
    • * Muscles within the posterior triangle include the sternocleidomastoid muscle (SCM), splenius capitis muscle, levator scapulae muscle, and scalene muscles (anterior, middle, and posterior).
    • * Nerves found in the posterior triangle include the accessory nerve (CN XI), brachial plexus, and cutaneous branches of the cervical plexus.
    • * Vessels within the posterior triangle include the external jugular vein, subclavian artery (third part), and transverse cervical artery.
    • Major Divisions and Bones of Neck * Other structures present in the posterior triangle are lymph nodes (superficial and deep cervical), the omohyoid muscle, and the passage of the phrenic nerve.

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