O-anterior surface of the 3-5 ribs

I-corcoid process of the scapula

A-abd, down rot, depression

O-surface of ribs 1-9 at the side of the chest

I-Aterior aspect of the whole length of the medial border of the scapula

A-abd, upward rot

Trapezuis

upper

O-base of skull, occipital protuberance and posterior ligaments of the neck

I-Posterior aspect of the lateral 3rd of the clavicle

A-elevation, upward rot, ext of head and neck, rot of neck

Trapezius

Middle

O-spinous process of 7 C & 1-3 T vertibae

I-medial border of the acromion process and superior border of the scapula spine

A-elevation, add, upward rot

Trapezius

lower

O-spinous process of 4-12 T vertibrae

I-triangular space at the base of the spine of the scapla

A-add, depression, upward rot

O-spinous process of 7C and 1-5T vertibrae

I-medial border of the scapula iferior to the scapular spine

A-add, downward rot, elavation

O-transvers process of 1-4C vertibrae

I-medial border of the scapula, from the superior angle to the spine of the scapula