Trapezius (Scapula)
Scapula
- Elevation (middle fibers)
- Depression (lower fibers)
- Retraction (middle fibers)
- Upward Rotation (middle and lower fibers)
- Stabilizes the Scapula (middle fibers)
Trapezius (843)
Action (8)
Scapula
- Elevation (middle fibers)
- Depression (lower fibers)
- Retraction (middle fibers)
- Upward Rotation (middle and lower fibers)
- Stabilizes the Scapula (middle fibers)
Neck (upper fibers)
- Extension
- Lateral Flexion
- Rotation to the Opposite Side
Origin (4)
- External occipital protuberance
- Medial portion of superior nuchal line of the occiput
- Ligamentum nuchae
- Spinous process of C7-T12
Insertion (3)
- Lateral 1/3 of clavicle
- Acromion
- Spine of the scapula
The Basics
Moves: scapula (all fibers), neck (upper fibers)
Attaches to: back of the head, cervical and thoracic spine, clavicle, acromion, and spine of the scapula.
In Other Words...
Scapula - On the shoulder blades, it shrugs the shoulder, un-shrugs, brings them together, rotates them up, and stabilizes.
Neck - The upper traps enable you to look up, tilt the head sideways, and look to the opposite side.
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