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A hillor mound (arch.)
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∙ 10y ago
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Provide the complete action of the Sternocleidomastoid SCM including single-sided and bilateral contraction?
STERNOCLEIDOMASTOIDEUS Attached to the sternum (Greek - chest), clavicle (Latin - little key) and mastoid (Greek - breast-shaped) bone. This muscle is a long strap muscle with two heads. It is sometimes injured at birth, and may be partly replaced by fibrous tissue that contracts t produce a torticollis (wry neck) Origin Sternal head: anterior surface of upper sternum Clavicular head: medial third of the clavicle Insertion Mastoid process of the temporal bone (bony promenance just behind the ear) Action Contraction of both sides together (bilateral contraction): flexes neck (draws head forward). Raises sternum, and consequently the ribs, during deep inhalation. Contraction of one side (single-sided contraction): tilts the head towards the same side. Rotates head to face the oppsite side (and also upwards as it does so). Basic functional movement: Turning head to look over your shoulder. Raising head from pillow. Sports that heavily utilise this muscle: Swimminh, rugby scrummage, American football. Movements or injuries that may damage this muscle: Extreme whiplash movements Headache and neck pain are common problems when this muscle is chronically tight/shortened
Who did Ethiopian learn christian traditions from?
The Ethiopian did not learn any traditions that are recorded in the Bible. What He did learn was who Jesus was based on Isaiah's prophecies as explained to him by Philip.In the book of Acts we read about Philip and the Ethiopian Eunuch , so it was Philip.
