The trapezius muscle is a trapezoid-shaped spine between the shoulder and be stressed skeletal muscle, which belongs to the secondary back muscles of the shoulder girdle.
OriginThe muscle originates at the back of the head of the superior nuchal line and external occipital protuberance of the occipital bone, nuchal ligament and from. On the back of the trapezius muscle originates from the spinous processes of thoracic vertebrae and supraspinal ligament from.
ApproachThe insertion of the trapezius muscle is the lateral third of the clavicle, the acromion and the scapular spine.
Fiber patternsStarting from the different origins and insertions of the muscle to be addressed in accordance with the grain of different muscle groups. This subdivision of the muscle also has functional significance.
To name are:
Illustration: Gray's Anatomy