Trapezius

Origin

Back of skull: C7, all thoracic vertebrae

Insertion

Spine of scapula and lateral edge of clavicle

Joint crossed

Shoulder girdle (moves scapula relative to rib cage)

Joint actions

Upper fibres elevate the shoulder girdle

Middle fibres retract shoulder girdle

Lower fibres depress shoulder girdle

Whole muscle upwardly rotates scapula (works as a synergist with serratus anterior)

Exercise example(s)

Lat Pulldown, Seated Row, Pull ups

Stretch example(s)

Mid-traps stretch