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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The contraction of the sternocleidomastoid muscle, flexing the cervical, manually resisted.
Specimens of bilateral neck dissection with preservation of the spinal accessory nerve, internal jugular vein and sternocleidomastoid muscle.
A sliver of thyroid cartilage was excised to trace the tract into the piriform fossa (SCM = sternocleidomastoid muscle).
Neuromuscular efficiency of the sternocleidomastoid and anterior scalene muscles in patients with chronic neck pain.
In 3/80 (4%) of the fetal specimens, a duplicated EJV (with an "H" shaped communication joining the two), was located on the sternocleidomastoid muscle (SCM).
The skin incision [8] started from the level of the zygomatic bone in its preauricular limb curving down to go behind the ear lobule and then curving down over the sternocleidomastoid muscle to reach the upper crease of neck.
On examination, there was a solitary swelling of 5 x 3 cm on the right side of the neck, below the angle of mandible which was deep to sternocleidomastoid muscle at the junction of upper and mid-third of the muscle.
The first branch was identified penetrating the sternocleidomastoid muscle and the secondary branch fusing with the cervical plexus.
Ultrasound of the neck revealed mild thickening of the left sternocleidomastoid muscle and no lymphadenopathy.
To assess the associations of demographics (age, sex, sternocleidomastoid muscle length, height, and weight) with preoperative and postoperative changes, we used a series of linear models.
They rarely originate in the trapezius, sternocleidomastoid, and temporal muscles.
With the projectile still in place, routine anterior sternocleidomastoid incision was made.