muscle 1-20: origin

Temporalis

Lateral surface of the skull

Masseter

Zygomatic arch

Epicranius/Frontalis

Epicranial aponeurosis

Orbicularis oculi

Orbital portions of the frontal and maxilla bone

Zygomaticus

Zygomatic

Obicularis oris

Maxilla and mandible

Deltoid

Acromion and spine of scapula; lateral clavicle

Sternohyoid

Posterior manibrum of sternum

Sternocleidomastoid

Manubrium of sternum, medial portion of clavicle

Brachialis

Distal half of the diaphysis of the anterior humerus

Serratus anterior

First nine ribs

Pronator teres

Medial epicondyle of humerus, cornoid process of ulna

Brachioradialis

Ridge proximal to the lateral condyle of distal humerus

Flexor carpi radialis

Medial epicondyle of humerus

Palmaris longus

Medial epicondyle of humerus

Flexor carpi ulnaris

Medial epicondyle of humerus, medial olecranon process of ulna

Rectus abdominus

Superior aspect of pubic bones

Pectoralis major

Medial clavicle, sternum, coastal cartilages 1-7

Biceps brachii

Suproglenoiod tubercle (long head) and coracid process (short head )

External Oblique

Inferior eight ribs