Muscle Name: Trapezius (Upper Back)
Medical Name:
- Trapezius
Other Names:
- Traps
- Upper Back Muscle
Head:
Movement:
- Upper Trapezius:
- Elevation of the scapula
- Lifting the shoulders upwards
- Upward rotation of the scapula
- Rotating the shoulder blade upwards
- Elevation of the scapula
- Middle Trapezius:
- Retraction of the scapula
- Pulling the shoulder blades together
- Retraction of the scapula
- Lower Trapezius:
- Depression of the scapula
- Lowering the shoulders downwards
- Upward rotation of the scapula
- Rotating the shoulder blade upwards
- Depression of the scapula
Attachment:
- Origin:
- External occipital protuberance
- Medial third of the superior nuchal line of the occipital bone
- Ligamentum nuchae
- Spinous processes of C7-T12 vertebrae
- Insertion:
- Lateral third of the clavicle
- Acromion process
- Spine of the scapula
Related Muscles:
- Rhomboids
- Latissimus Dorsi
- Levator Scapulae
- Sternocleidomastoid
- Deltoids