muscle origin back to elbow

Latissimus dorsi origin

Iliac crest, thoracolumbar fascia, T6-T12

Levator scapulae origin

Transverse process of c1-c4

Rhomboid major

T2-t5 spinous process

Rhomboid minor origin

C7 and t1 spinous process

Trapezius

External occipital protuberance (skull), ligamentum nachae, c7 and t1-t12

Deltoid origin

Spine of scapula, lateral 1/3 clavicle, and acromion

Supraspinatus

Supraspinous fossa of scapula

Infraspinatus origin

Infraspinous fossa of scapula

Teres major origin

Posterior surface of interior angle of scapula

teres minor origin

Upper 2/3 of posterior surface of lateral border of scapula

Pectoralis major

First 6-7 costal cartilage, sternum to 7th rib, medial portion of clavicle

Pectoralis minor origin

Ribs 3-5 near costal cartilage

Subclavis

1st costal cartilage

Serratus anterior origin

Upper 8-9 ribs

Biceps brachii short head origin

Coracoid process of scapula

Biceps brachii long head origin

Supraglenoid tubercle of scapula

Coracobrachialis origin

Coracoid process of scapula (common tendon with short head of biceps brachii)

Brachialis origin

Anterior aspect of distal half of humerus

Triceps brachii long head origin

Infraglenoid tubercle of scapula

Triceps brachii of lateral head origin

Posterior surface of humerus, superior to radial groove

Triceps brachii medial head origin

Posterior surface of humerus, inferior to radial groove

Subscapularis origin

Subscapular fossa of scapula