Trapezius muscle

In human anatomy, the trapezius (/trəˈpzi.əs/) is either ane o twa lairge superficial muscles that extend langitudinally frae the occipital bane tae the lawer thoracic vertebrae an laterally tae the spine o the scapula (shouder blade).

Trapezius
trapezius
muscles connectin the upper extremity tae the vertebral column; trapezius is labeled at upper left.
Details
Originspinous processes o vertebrae C1-T12
Insertionexternal occipital protuberance, nuchal ligament, medial superior nuchal line, posterior border o the lateral third o the clavicle, acromion process, an spine o scapula
Arterysuperficial branch o transverse cervical artery or superficial cervical artery[1]
Nerveaccessory nerve (motor)
cervical spinal nerves C3 an C4 (motor an sensation)[2]
Actionsrotation, retraction, elevation, an depression o scapula
Antagonistserratus anterior muscle, Latissimus dorsi
Identifiers
Laitinmusculus trapezius
TAA04.3.01.001
FMA9626
Anatomical terms o muscle

References eedit

  1. "Tufts". Archived frae the original on 22 Apryle 2003. Retrieved 11 December 2007.
  2. Arthur F. Dalley, Keith L. Moore, Anne M.R. Agur (2010). Clinically oriented anatomy (6th [International] ed.). Philadelphia [etc.]: Lippincott Williams & Wilkins, Wolters Kluwer. p. 700. ISBN 978-1-60547-652-0.