O/I Back Muscles

Superior Trapezius

Superior nuchal line, ligamentum nuchase

Superior Trapezius insertion

lateral third of clavicle

Middle Trapezius Origin

Spinous process c7-t3

Inferior Trapezius origin

Spinous process of t3-12

middle trapezius insertion

acromion and spine of scapula

inferior trapezius insertion

medial end of scapular spine

levator scapulae origin

transverse processes of c1-4

levator scapulae insertion

superior angle of scapula

rhomboid major origin

spinous process of t2-5

rhomboid major insertion

medial border of scapula

rhom minor origin

Spinous process c7-t1

rhom minor insertion

medial portion scapular spine

teres minor origin

lateral border scapula

teres minor insertion

inferior facet of greater tubercle

Teres major origin

inferior angle of scapula

teres major insertion

crest of lesser tubercle