Human Anatomy 201. Muscles origins and insertions first 20.

The first twenty.

Temporalis- Origin

Temporal Fossa

Temporalis - Insertion

Coronoid process of the mandible

Masseter - Origin

Zygomatic arch

Masseter - Insertion

Lateral surface of the ramus of the mandible

Epicranius (Frontailis) - Origin

Epicranial aponeurosis (Galea Aponeurotica)

Epicranius (Frontalis) - Insertion

Skin of eyebrows and forehead.

Zygomaticus - Origin and Insertion

Zygomatic Bone and Corner of mouth

Deltoid - Origin

Lateral third of Clavicle, acromion, spine of scapula.

Deltoid - Insertion

Deltoid tuberosity of Humerus

Sternohyoid - Origin and insertion

Origin: Manubrium and Medial Clavicle. Insertion: Hyoid bone

Sternocleidomastoid - Origin

Manubrium and Medial clavicle.

Sternocleidomastoid - Insertion

Mastoid process and lateral superior nuchal line.

Brachialis -Origin

Distal half of anterior humerus

Brachialis - Insertion

Coronoid process and tuberosity of Ulna

Serratus Anterior - Origin

External surfaces of ribs (1-8 sometimes 1-9)

Serratus Anterior - Insertion

Anterior surface of Medial border of scapula.

Pronator teres - Origin

Medial epicondyle of humerus and corronoid process of ulna

Pronator teres - Insertion

Lateral surface of middle radius

Brachioradialis - Origin

Proximal two-thirds of lateral supracondylar ridge of humerus.

Brachioradialis - Insertion

Distial radius near styloid process.

Flexor Carpi radialis - Origin

Medial epicondyle of humerus

Flexor Carpi radialis - Insertion

Bases of 2nd and 3rd metecarpals.

Palmaris Longus - Origin

Medial epicondyle of humerus

Palmaris longus - Insertion.

Flexor retinaculum and palmaris aponeurosis

Flexor Carpi ulnaris - Origin

Medial epicondyle, olecranon and posterior ulna.

Flexor Carpi ulnaris - Insertion

Pisiform, hook of hamate, base of 5th metacarpal

Rectus abdominis - Insertion

Xiphoid process and costal cartilages of ribs 5-7

Pectoralis Major - Origin

Medial clavicle, sternum and upper costal cartilages of upper six ribs.

Pectoralis Major - Insertion

Lateral lip of intertubercular sulcus of humerus,

Biceps Brachii - Origin

Long head: Supraglenoid tubercle of scapula. Short head: Coracoid process.

Biceps Brachii - Insertion

Radial tuberosity

External Oblique - Origin

External surfaces of ribs 5-12

External oblique - Insertion

Linea alba, pubic tubercle, anterior iliac crest.

Orbicularis Oculi - Origin

Medial orbital margin, Medial palpebral ligament and lacrimal bone

Orbicularis Oculi - Insertion

Skin around the orbit and eyelids

Orbicularis Oris - Origin

Maxilla and mandible: Fibers blend with surrounding muscles

Orbicularis Oris - Insertion

Skin and muscle of the lips.

Rectus Abdominis -Origin

Pubic crest and pubic symphysis.