TRAPEZIUS

• Origin

 

Base of skull, spine, shoulder blade

 

• Insertion

 

Clavicle, scapula

 

• Agonist(s)

 

- Latissimus dorsi

- Pectoralis major

- Deltoids

 

• Antagonist(s)

 

- Rhomboids

- Levator scapulae

 

• Function

 

Moves scapula, supports arm