Trapezius

Action of upper fibers of trapezius
- bilaterally extend the head and neck
- unilaterally laterally flex the head and neck to the same side
- unilaterally rotate the head and neck to the opposite side
- elevate the scapula
- upwardly rotate the scapula
action of middle fibers of trapezius
- adduct the scapula
- stabilize the scapula
action of lower fibers
- depress the scapula
- upwardly rotate the scapula
Origin
- external occipital protuberance
- medial portion of superior nuchal line of the occiput
- ligamentum nuchae
- spinous processes of c7-t12
insertion
- lateral 1/3 of clavicle
- acomion
- spine of scapula

Author

jcandyj_80alba

149624

Card Set

Trapezius

Description

Trapezius

Updated

2012-04-23T20:32:17Z

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