O/I Anterior Chest and Scapula

Pec Major sternocostal Origin

body of sternum, costal cartilage

Pec Major Clavicular Origin

anterior medial half clavicle

Pec Major insertion

crest of greater tubercle

Deltoid (anterior) origin

lateral third of anterior clavicle

Coracobrachialis origin

Coracoid process

coracobrachialis insertion

medial midshaft of humerus

Deltoid (posterior) origin

spine of scapula

Deltoid (middle) origin

acromion

Deltoid insertion

deltoid tuberosity

Supraspinatus origin

supraspinous fossa

supraspinatus insertion

greater tubercle

Infraspinatus origin

infraspinous fossa

infraspinatus insertion

middle facet of greater tubercle

subscapularis origin

subscapular fossa

pec minor origin

ribs 3-5

pec minor insertion

coracoid process

serratus anterior origin

ribs 1-9

serratus anterior insertion

anterior medial margin scapula