either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms
large, trapezoidal-shaped muscle stretching from the superior, dorsal midline to the shoulder; lifts the shoulder
Greek trapezion = a trapezium - a quadrilateral with 2 sides parallel; hence, trapezius muscle, the diamond-shape of both trapezii muscles together.
Flat triangular muscle covering the posterior surface of the neck and shoulder.
ORIGIN: External occipital protuberance & Medial part superior nuchal line of occipital bone & Ligamentum nuchae & Spinous process C7, T1-T12 vertebrae & Supraspinous ligament INSERTION: Posterior border lateral clavicle & Medial margin acromion & Posterior border spine of scapula & Tubercle on spine of scapula ACTION: Rotates scapula to raise point of shoulder, adducts scapula, upper part raises scapula, lower part lowers and pulls scapula down, upper part draws head to same side and turns face to opposite side, two sides together draw head back ulna n. abbrev. ul the outermost bone of the foreleg/forearm
Muscles from back of nech and shoulders spreading to the mid back area in the thoracic spine area.
(G. trapezion, a table) A four sided muscle having no two sides that are parallel. Musculus trapezius.
Muscle that runs from the neck to the middle of the upper back. Responsible for raising the shoulders and head.
area between the neck and the shoulder with a muscle named trapezius placed under the skin.