AHM Origins and Insertions

Upper Trapezius Origin

Occiput and C7 Spinous Process

Upper trapezius Insertion

Lateral Posterior 1/3 of clavical

Levator Scapulae Origin

C1-C4 Traverse processes

levator Scapulae Insertion

Superior Portion of vertebral border of scapula

Middle Trapezius Origin

T1-T5 Spinous Process

Middle Trapezius Insertion

Medial to acromion on scapula

Lower Trapezius Origin

T6-T12 Spinous Process

Lower Trapezius Insertion

Medial Portion of the spine of the scapula

Rhomboid Major Origin

T2-T5 Spinous Process

Rhomboid Major Insertion

Vertebral border of the capula below spine of the scapula to inferior angle

Rhomboid Minor Origin

C7-T1 Spinous Process

Rhomboid Minor Insertion

Vertebral border of scapula at spine of scapula

Serratus Anterior origin

Ribs 1-8

Serratus Anterior Insertion

Ventral medial border of scapula

Latissimus Dorsi Origin

T6-T12 & L1-L5 Spinous Process

Crest of Ilium

Ribs 9-12

Latissimus Dorsi Insertion

Anterior Humerus at bicipital groove

Teres Major Origin

Dorsal inferior angle of scapula

Teres Major Insertion

Anterior humerus bicipital groove

posterior Deltoid Origin

Lateral Spine of Scapula

Posterior Deltoid Insertion

Deltoid Tuberosity

Anterior Deltoid Origin

Anterior Superior lateral 1/3 of clavical

Anterior Deltoid Insertion

Deltoid Tuberosity

Coracobrachialis origin

Coracoid Process

Coracobrachialis Insertion

medial Middle 1/3 humerus shaft

Middle Deltoid Origin

Acromion of Scapula

Middle Deltoid Insertion

DEltoid Tuberosity

Supraspinatus Origin

Supraspinatus Fossa

Supraspinatus Insertion

Greater tubercle of humerus

Pectoralis Major Origin

Medial ½ pf clavical, sternum, and ribs 2-7

Pectoralis Major Insertion

Anterior humerus at bicipital groove

Infraspinatus origin

Infraspinatus Fossa

Infraspinatus Insertion

Greater Tubercle

Teres Minor Origin

Lateral superior 2/3 border of scapula

Teres Minor Insertion

Greater Tubercle

Subscapularis Origin

Subscapularis Fossa

Subscapularis Insertion

Lesser Tubercle

Biceps Bracchi Origin

Short Head: Coracoid Process

Long Head: Supraglenoid Tubercle

Biceps Bracchi insertion

Radial Tuberosity

Brachialis origin

Distal ½ of anterior humerus

Brachialis Insertion

Ulnar Tuberosity and coronoid process of ulna

Brachioradialis Origin

lateral Supracondylar Ridge of Humerus

brachioradialis Insertion

Radial Styloid Process

Triceps Orgin

Long head: Infraglenoid Tubercle

Lateral Head: Posterior surface of proximal half of humerus

Medial Head: Posterior surface of distal half of the humerus

Triceps Insertion

Olecranon of Ulna