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BILATERAL FOUR AND SIX HEADS OF THE STERNOCLEIDOMASTOID MUSCLE. A CADAVERIC FINDING
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| Author:
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KARLA GOMEZ-, HUMBERTO FERREIRA-ARQUEZ
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| Abstract:
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Background: The sternocleidomastoid muscle present a wide patterns of variations which including
supernumerary muscular heads.
Aim: The aim of the present study is report bilateral four and six heads of the sternocleidomastoid muscle.
Materials and Methods: The anatomical variation was found during routine dissection performed in the
laboratory of Morphology of the University of Pamplona.
Findings: On the right side, two sternal head were a continuous sheet with a small gap of 1 mm; the third
head originating from sternoclavicular joint until the clavicular head. The fourth, clavicular head that arose
from the medial and middle third of the clavicle. On the left side of the neck, two sternal heads were lying
side by side. Of the four clavicular heads, two were superficial and another two lying in a deep plane.
Conclusions: Knowledge of these anatomical variations is important for any therapeutics and diagnostic
intervention in the region neck.
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| Keyword:
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Anatomical variations, sternocleidomastoid muscle, four heads, six heads, lesser supraclavicular fossa.
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| EOI:
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| DOI:
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| Download:
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