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6 Cards in this Set

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Name the four strap muscles.
Remember, the strap muscles are the infrahyoid muscles of the anterior neck and mostly work to depress the hyoid bone.

You can remember the names of the strap muscles through the acronym TOSS.

Thyrohyoid
Omohyoid
Sternohyoid
Sternothyroid.

Note that they all insert on the hyoid muscle except for the sternothyroid muscle, which inserts onto the thyroid cartilage.
Contraction of which muscle extends the neck?
Trapezius
Contraction of which muscles rotates the neck to the L and R?
Sternocleidomastoid muscles
In a neck incision, which is the first muscle incised?
Platysma
Which structures are found within the carotid sheath?
Common and internal carotid arteries
Internal jugular vein
Vagus nerve
Which nerve innervates the sternocleidomastoid muscles?
Spinal accessory nerve (CN XI)