Upper limb trapezius, levator scapulae, and rhomboid major + minor pg 300

Trapezius transverse part action

draws scapula medially

Trapezius ascending part action

draws scapula medially downward | entire muscle, steadies scapula on throax

Levator scapulae action

draws scapula medially upward while moving inferior angle medially | inclines neck to same side

Rhomboid major + minor

steadies scapula + draws scapula medially upward

Trapezius transverse part insertion

acromion

Trapezius descending part insertion

clavicle lateral one third

Rhomboid minor insertion

medial border of scapula above

Levator scapulae insertion

scapula superior angle

Trapezius ascending part origin

spinous process of T5-T12

Levator scapulae origin

transverse process of C1-C4

Trapezius ascending part insertion

scapula spine

Trapezius transverse part origin

aponeurosis at T1-T4 spinous process

Rhomboid major insertion

below scapular spine

Parts that make up the trapezius

descending part, transverse part, ascending part

Trapezius descending part action

draws scapula obliquely upward | rotates glenoid cavity superiorly | tilts head to same side and rotates it to opposite

Trapezius descending part origin

occipital bone | spinous process of C1-C7

Rhomboid minor origin

spinous process of C6, C7

Rhomboid major origin

spinous process of T1-T4 vertebrae