descending part of left trapezius
Muscular systemBackLeftFMA33587
Nomenclature
descending part of left trapezius
pars descendens musculi trapezii (Latin)
parte discendente del trapezio sinistra (Italian)
Descriptionentry
Upper portion of trapezius, from the skull to the clavicle.
Functionentry
Elevates the shoulder; contributes to upward rotation of the scapula.
Originentry
External occipital protuberance, superior nuchal line, nuchal ligament.
Insertionentry
Lateral third of the posterior border of the clavicle.
Innervationentry
Accessory nerve (XI), with C2-C4 for proprioception.
Blood supplyentry
Transverse cervical artery.
Model