Upper Extremities Muscle O's and I's

Front

Upper Trapezius origin

Back

Occipital bone and spinous processes of C1-C6

Front

Upper Trapezius insertion

Back

Lateral third of clavicle and acromion process

Front

Middle Trapezius origin

Back

Spinous processes of C7-T3

Front

Middle Trapezius insertion

Back

Spine of scapula

Front

Lower Trapezius origin

Back

Spinous processes of T4-T12

Front

Lower Trapezius insertion

Back

Base of the spine of the scapula

Front

Levator Scapula origin

Back

Transverse processes of C1-C4

Front

Levator Scapula insertion

Back

Vertebral border of scapula between the superior angle and spine of scapula

Front

Rhomboids origin

Back

Spinous process of C7-T5

Front

Rhomboids insertion

Back

Vertebral border of scapula between the spine and inferior angle