Trapezius muscle
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In human anatomy, the trapezius (/trəˈpiːzi.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).
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Trapezius | |
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trapezius | |
muscles connectin the upper extremity tae the vertebral column; trapezius is labeled at upper left. | |
Details | |
Origin | spinous processes o vertebrae C1-T12 |
Insertion | external occipital protuberance, nuchal ligament, medial superior nuchal line, posterior border o the lateral third o the clavicle, acromion process, an spine o scapula |
Artery | superficial branch o transverse cervical artery or superficial cervical artery[1] |
Nerve | accessory nerve (motor) cervical spinal nerves C3 an C4 (motor an sensation)[2] |
Actions | rotation, retraction, elevation, an depression o scapula |
Antagonist | serratus anterior muscle, Latissimus dorsi |
Identifiers | |
Laitin | musculus trapezius |
TA | A04.3.01.001 |
FMA | 9626 |
Anatomical terms o muscle |
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