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trapezius
tra·pe·zi·us T0327400 (trə-pē′zē-əs)n. pl. tra·pe·zi·us·es Either of two large flat triangular muscles running from the base of the occiput to the middle of the back that support and make it possible to raise the head and shoulders.
[New Latin, from Late Latin trapezium, trapezium (from the shape of the muscles paired); see trapezium.]trapezius (trəˈpiːzɪəs) n, pl -uses (Anatomy) either of two flat triangular muscles, one covering each side of the back and shoulders, that rotate the shoulder blades[C18: from New Latin trapezius (musculus) trapezium-shaped (muscle)]tra•pe•zi•us (trəˈpi zi əs)
n., pl. -us•es. a broad, flat muscle on each side of the upper back. [1685–95; < New Latin, short for trapezius musculus muscle shaped like a trapezium] Thesaurus| Noun | 1. |  trapezius - either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and armscowl muscle, musculus trapezius, trapezius muscleskeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes |
Translationstrapezius
tra·pe·zi·us (mus·cle) [TA] extrinsic (thoracoappendicular) muscle of shoulder; origin, medial third of superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of seventh cervical and the thoracic vertebrae and corresponding supraspinous ligaments; insertion, lateral third of posterior surface of clavicle, anterior side of acromion, and upper and medial border of the spine of the scapula; action, when scapulae are fixed, portions of muscle can act independently: cervical portion elevates scapula, thoracic portion contributes to depression of scapula; upper and lowermost portions act simultaneously to rotate glenoid fossa superiorly; when the entire muscle and especially middle part contracts, the scapulae retract; draws head to one side or backward; nerve supply, motor by accessory, sensory by cervical plexus. Synonym(s): musculus trapezius [TA], cowl muscletrapezius (trə-pē′zē-əs)n. pl. trapezi·uses Either of two large flat triangular muscles running from the base of the occiput to the middle of the back that support and make it possible to raise the head and shoulders.tra·pe·zi·us mu·scle (tră-pē'zē-ŭs mŭs'ĕl) Origin, medial third of superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of seventh cervical and the thoracic vertebrae and corresponding supraspinous ligaments; insertion, lateral third of posterior surface of clavicle, anterior side of acromion, and upper and medial border of the spine of the scapula; action, when scapulae are fixed, portions of muscle can act independently: cervical portion elevates scapula, thoracic portion contributes to depression of scapula; upper and lowermost portions act simultaneously to rotate glenoid fossa superiorly; when the entire muscle and especially its middle part contracts, the scapulae retract; draws head to one side or backward; nerve supply, motor by accessory, sensory by cervical plexus.
Synonym(s): musculus trapezius [TA] , trapezius. trapezius
Related to trapezius: latissimus dorsiSynonyms for trapeziusnoun either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and armsSynonyms- cowl muscle
- musculus trapezius
- trapezius muscle
Related Words- skeletal muscle
- striated muscle
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