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Topic: Sternocleidomastoid muscle

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	Sternocleidomastoid muscle - Wikipedia, the free encyclopedia
		In human anatomy, the sternocleidomastoid (pronounced /ˌstɚ.noˌkli.dəˈmæs.tɔɪ̯d/) muscles are muscles in the neck that act to flex and rotate the head.
		It is given the name sternocleidomastoid because it attaches to the sternum (sterno-), the clavicle (cleido-), and the mastoid process of the temporal bone of the skull.
		The Supraclavicularis muscle arises from the manubrium behind the Sternocleidomastoideus and passes behind the Sternocleidomastoideus to the upper surface of the clavicle.
	en.wikipedia.org /wiki/Sternocleidomastoid_muscle (398 words)

	[No title] (Site not responding. Last check: 2007-10-19)
		The diagnoses were shrapnel wound residuals of the left shoulder, with anterior 1/3 of biceps muscle removed plus skin grafting; healed fracture of the inner third of the left clavicle; and injury to the sternocleidomastoid muscle insertion at the clavicle.
		Residuals of a fragment injury to the sternocleidomastoid muscle; the left shoulder and the left arm, with fractures of the left clavicle and humerus, were noted.
		The type of disability pictures are based on the cardinal symptoms of muscle disability (weakness, fatigue-pain, uncertainty of movement) and on the objective evidence of muscle damage and the cardinal signs of muscle disability (loss of power, lowered threshold of fatigue and impairment of coordination).
	www.va.gov /vetapp/files3/9421191.txt (5279 words)

	Neck lecture notes
		The inferior constrictor muscle and the cricopharyngeus are innervated by recurrent branches of the vagus nerve.
		It is motor to this muscle and sensory to the mucosa of posterior 1/3 of tongue, mucosa of pharynx, palatine tonsil and soft palate.
		The thyroarytenoideus muscle from the internal surface of the angle of the thyroid cartilage to the lateral aspect of the arytenoid cartilage.
	web.indstate.edu /thcme/duong/neck.html (5659 words)

	Congenital Muscular Torticollis - Lucile Packard Children's Hospital
		During the delivery, if the sternocleidomastoid muscle, the neck muscle that extends from the jawbone (mastoid) to the clavicle (collarbone) and sternum (breastbone), is stretched or pulled, it may tear, causing bleeding and bruising within the muscle.
		Occasionally, congenital muscular torticollis occurs because of a defect in the development of the sternocleidomastoid muscle, or because of an abnormal fetal position in the uterus.
		Generally, physical examination of the infant may show the characteristic tilting of the head and tension of the sternocleidomastoid muscle, as well as presence of a mass in the middle portion of the muscle.
	www.lpch.org /DiseaseHealthInfo/HealthLibrary/ent/wryneck.html (527 words)

	Physician Assistant Gross Anatomy
		Sternocleidomastoid muscle — arises by two heads, a medial one from the front of the manubrium sterni and a more lateral one from the upper border of the medial 1/3 of the clavicle, inserts on the outer surface of the mastoid process and the lateral half of the superior nuchal line
		Brachialis muscle — arises from the anterior surface of the humerus, from the entire surface of the medial intermuscular septum and from the anterior surface of the lateral intermuscular septum; inserts on the tuberosity of the ulna; supplied by the musculocutaneous nerve and the radial nerve
		Tibialis posterior muscle — arises from the posterior surface of the face of the tibia, from the medial surface of the fibula and the posterior surface of the interosseous membrane
	medinfo.ufl.edu /pa/anatomy/hitlist2.html (9294 words)

	ROUND EARTH PUBLISHING
		Sternocleidomastoid (SCM) is the big ropey muscle that runs from the mastoid process (the rounded bump behind your ear) to the joint between collarbones and sternum at the base of your throat.
		This paired muscle pulls the head forward and down, and acts as a checkrein to prevent the head from falling backward.
		As an accessory muscle of respiration, SCM lifts upper ribs in breathing when neck is erect or hyper-extended (not when head is bowed).
	www.round-earth.com /SCM.html (912 words)

	Stone Mill Elementary School
		It is called the pectoralis major muscle because "pectaralis" means "chest bone." which is where the muscle is attached, and "major" means "the larger." Therefore, pectoralis major means the larger muscle of the chest.
		The sternocleidomastoid muscle is found on the front side of the neck.
		It is called the sternocleidomastoid because the muscle is attached to three bones: the sternum (sterno), the clavicle (cleido), and the mastoid process of the skull (mastoid).
	www.mcps.k12.md.us /schools/stonemilles/pe/muscle.htm (727 words)

	The Prevalence and CT Appearance of the Levator Claviculae Muscle: A Normal Variant Not To Be Mistaken for an ...
		The muscle moves from medial to the sternocleidomastoid muscle (6) to posterior to it.
		The muscles have a similar course to the levator claviculae muscles in fig 1.
		as it is obscured by the belly of the longus capitis muscle
	www.ajnr.org /cgi/content/full/20/4/583 (1414 words)

	Chest -- eLetters for Raffoul et al., 113 (5) 1296-1301
		Sternocleidomastoid torticollis is the term used to describe the presence of a shortened, fibrosed sternocleidomastoid muscle, which results in traction of the mastoid process towards the sternoclavicular joint1.
		The head is therefore rotated away from and tilted towards the involved sternocleidomastoid muscle.
		DISCUSSION: Congenital sternocleidomastoid torticollis is not a common disease in childern.The exact etiology is unknown, however the pathology is fibrosis of the muscle involved.
	www.chestjournal.org /cgi/eletters/113/5/1296 (1203 words)

	UH head and neck
		The lesser occipital nerve travels parallel to the posterior border of the sternocleidomastoid muscle towards the skin in the region of the occipital bone.
		Note that the subclavian vein passes anterior to the anterior scalene muscle, and that the apex of the parietal pleura is close to the vein.
		Identify the lingual artery at the anterior and posterior edges of this muscle and note that the rest of the artery is hidden from view because it passes medial to the hyoglossus muscle.
	www2.hawaii.edu /~rosenhei/head.html (11980 words)

	Sternocleidomastoid Muscle (Site not responding. Last check: 2007-10-19)
		The sternocleidomastoid is a long muscle in the side of the neck that extends up from the thorax to the base of the skull behind the ear.
		When the sternocleidomastoid on one side contracts, the face is turned to the opposite side.
		When both muscles contract, the head is bent toward the chest.
	www.innerbody.com /text/musc38.html (80 words)

	[No title]
		The posterior margin of the sternocleidomastoid muscle is the plane of separation for head removal.
		As a result, the trapezius muscle is still attached to the sternocleidomastoid muscle by the superficial layer of deep cervical fascia (which encloses both).
		·ð Find IX - The glossopharyngeal nerve can be hard to find. Try this: After removal of the head from the vertebral column, clean the posterior surface of the pharynx superiorly to the base of the skull (remove the longus coli muscle). Palpate the greater horn of the hyoid from its posterior aspect.
	www.uams.edu /m2004/gross_tables/11-22.doc (1606 words)

	Spectral analysis of surface electromyography (EMG) of upper esophageal sphincter-opening muscles during head lift ... (Site not responding. Last check: 2007-10-19)
		During swallowing, this group of muscles, consisting of the mylohyoid, geniohyoid, and digastric muscles, contract and cause the opening of the crycopharyngeal sphincter or upper esophageal sphincter (UES) to permit food passage into the esophagus.
		Multiple factors, such as relaxation and distensibility of the crycopharyngeus muscle, as well as the distraction forces imparted on the crycopharyngeus muscle by the UES-opening muscles of the suprahyoid muscle group, may be responsible for this difference.
		The mean intercepts of the MNF and MDF, respectively, had averages of 75 Hz and 64 Hz in the SCM, 82.6 Hz and 63.7 Hz in the SHM, and 95 Hz and 79 Hz in the IHM.
	www.vard.org /jour/00/37/3/ferd.htm (3068 words)

	[No title]
		The right sternocleidomastoid is enlarged, homogeneous in appearance and iso-attenuating with muscle, and there is mass effect on the internal jugular vein.
		Fibromatosis colli (FC), also called pseudotumor of infancy, is a nonneoplastic condition involving the sternocleidomastoid muscle (SCM) occurring in 0.4% of all neonates.
		Complications of longstanding congenital muscular torticollis involve craniofacial deformity and muscular atrophy, and patients must be treated with surgical release or reimplantation of the muscle to prevent the development of complications.
	www.childsdoc.org /spring97/quiz/xray.asp (861 words)

	New York School Of Regional Anesthesia - Interscalene Brachial Plexus Block
		The sniffing tenses the accessory respiratory muscles (scalene muscles) and the fingers of the palpating hand often fall into the scalene groove with this maneuver.
		However, in patients with good anatomy the clavicle, clavicular head of the sternocleidomastoid muscle, and external jugular vein are all that is really important.
		Whenever in doubt, palpate the muscle that appears to be twitching to ensure the proper response.
	www.nysora.com /techniques/intermediate/interscalene/interscalene.html (3076 words)

	Superficial Neck and Anterior Triangle - Dissector Answers
		They emerge along the lateral border of the sternocleidomastoid muscle in the order of lesser occipital, great auricular, transverse cervical, and supraclavicular (superior to inferior).
		superficial (investing) layer: (Note: this is the superficial layer of the deep fascia, which is different from superficial fascia) extends between the trapezius and the sternocleidomastoid muscles in the posterior triangle and between the paired sternocleidomastoid muscles in the anterior triangle.
		It surrounds all the deeper parts of the neck and splits to enclose the trapezius and sternocleidomastoid muscles.
	www.med.umich.edu /lrc/coursepages/M1/anatomy/html/head/antneck_ans.html (1290 words)

	Imaging-Based Nodal Classification for Evaluation of Neck Metastatic Adenopathy -- Som et al. 174 (3): 837 -- American ...
		Separation between levels II and III and IV is posterior edge of sternocleidomastoid muscle.
		Line of separation between levels IV and V is oblique line extending from posterior edge of sternocleidomastoid muscle to posterior edge of anterior scalene muscle.
		Level II nodes are posterior to white lines, but anterior to posterior edge of sternocleidomastoid muscle.
	www.ajronline.org /cgi/content/figsonly/174/3/837 (1252 words)

	[No title] (Site not responding. Last check: 2007-10-19)
		of the left upper extremity revealed 1/5 strength of the left upper trapezius muscle, 2+/5 strength of the left middle trapezius muscle, 2-/5 strength of the left lower trapezius muscle, and 1/5 strength of the left sternocleidomastoid muscle, with minimal contraction noted.
		The patient had 2+/5 strength of the middle and anterior deltoid muscles and 5/5 strength throughout the rest of her left shoulder and both elbows, wrists, and hands.
		Left anterior deltoid muscle strength improved to 5/5, upper trapezius and middle deltoid muscle strength improved to 4+/5, left middle trapezius muscle strength improved to 4/5, and left lower trapezius muscle strength improved to 3-/5 (as compared with 3+/5 right lower trapezius muscle strength with manual muscle testing).
	www.ptjournal.org /ptjournal/march2001/v81n3p936.cfm (3196 words)

	Arch Surg -- Abstract: The Blood Supply of the Sternocleidomastoid Muscle and Its Clinical Implications, February 1999, ...
		Arch Surg -- Abstract: The Blood Supply of the Sternocleidomastoid Muscle and Its Clinical Implications, February 1999, Kierner et al.
		of the muscle was supplied by a branch arising from the suprascapular
		SCM muscle flap is used in reconstructive surgery of the neck,
	archsurg.ama-assn.org /cgi/content/abstract/134/2/144 (289 words)

	Lecture Notes: Assessing the Neck
		moving the tips of the index and middle fingers of your dominant hand in a circle along and anterior to the patient's sternocleidomastoid muscle
		in the angle between the patient's clavicle and his/her sternocleidomastoid muscle
		moving the tips of the index and middle fingers of your dominant hand in a circle in the angle between the patient's clavicle and his/her sternocleidomastoid muscle
	www4.desales.edu /~sey0/neckassessment.html (1452 words)

	torticollis
		It is associated with a mass in the sternocleidomastoid muscle (the strap that courses from beneath the angle of the jaw to the base of the neck above the medial end of the collarbone.
		Torticollis in babies older than a month who don't have a tight sternocleidomastoid could be a sign of another condition; this is worrisome.
		The theory is that during vaginal delivery, blood flow to the affect neck muscle is reduced, causing damage.
	www.drhull.com /EncyMaster/T/torticollis.html (473 words)

	Lecture Notes: Assessment of the Neck Vessels
		located in a groove between the trachea and the sternocleidomastoid muscle, medial to and alongside the muscle
		lies deep and medial to the sternocleidomastoid muscle
		observing the area over the lower third of the left side of the patient's neck just medial to his/her left sternocleidomastoid muscle from all angles
	www4.desales.edu /~sey0/neckvesselsassessment.html (1309 words)

	Congenital muscular torticollis - Children's Memorial Hospital (Chicago, IL)
		Congenital muscular torticollis may be visible at birth or it may not become evident until several weeks later.
		X-rays to check for abnormalities in the bones of the neck and shoulders; a diagnostic test which uses invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs onto film.
		Ultrasound examination to evaluate the muscle around the mass; a diagnostic imaging technique which uses high-frequency sound waves and a computer to create images of blood vessels, tissues, and organs.
	www.childrensmemorial.org /depts/otolaryngology/neck_masses2.asp (512 words)

	Sternocleidomastoid - Atlanta Dental Group PC
		muscle extends from the back of the ear all the way downward to the collar bone.
		muscle goes into spasm and trigger points occur, the muscle refers pain to a number of areas in the head and neck area making the TMJ patient totally miserable.
		All of the dentists at the Atlanta Dental Group PC are dedicated to their patients' good health and well being and you are welcome to join their family of patients.
	www.atlantadentist.com /sternocleidomastoid.html (176 words)

	Pediatric Radiology Case : Radiology journal :: Fibromatosis colli - sternocleidomastoid pseudotumor of infancy -- The ... (Site not responding. Last check: 2007-10-19)
		The cause of sternocleidomastoid pseudotumor of infancy is unknown.
		The old name, "Head-nick hematoma" refers to the original idea that the this tumor was caused by trauma to the sternocleidomastoid muscle during birth.
		In the typical case, 2-4 weeks after birth, the child develops a hard, painless nodule in the region of the middle sternocleidomastoid muscle.
	www.radiology-journal.com /radiology/20050603161131.shtml (613 words)

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