sternocleidomastoid

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sternocleidomastoid

[¦stər·nō¦klīd·ə′ma‚stȯid]
(anatomy)
A muscle of the neck that flexes the head; origin is the manubrium of the sternum and clavicle, and insertion is the mastoid process.
References in periodicals archive ?
Sternocleidomastoid muscle presents several variations commonly at its origin.
Mustafa (2006) has reported a supernumerary cleidooccipital muscle, more or less separate from the sternocleidomastoid muscle.
The knowledge of variations of sternocleidomastoid muscle is important for head and neck surgeons.
With each stimulus, testing was completed with and without monitoring of sternocleidomastoid muscle tension.
In this article, we describe our investigation to evaluate the specificity of VEMP testing in normal subjects and to determine the impact that the type of stimulus and the presence or absence of sternocleidomastoid muscle control have on test reliability.
All subjects underwent testing (1) with two types of stimuli and (2) with and without sternocleidomastoid muscle contraction monitoring.
SUMMARY: A rare case of additional slip in the origin of the clavicular head of sternocleidomastoid muscle was found during our routine dissection, on both sides of the neck in an elderly male cadaver.
Sternocleidomastoid muscle is present across the side of the neck and forms a prominent landmark when contracted.
The sternocleidomastoid muscle is supplied by the spinal part of the accessory nerve.
Her neck showed increased tone of the sternocleidomastoid muscles bilaterally.
TOPOGRAPHIC VARIATION OF THE STERNOCLEIDOMASTOID MUSCLE IN A JUST BEEN BORN CHILDREN
SUMMARY: The sternocleidomastoid muscle was dissected in one just been born children with approximately nine months of age.

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