MUSCLE ANATOMY - ORGINS AND INSERTIONS

Masseter - origin

Maxilla and zygomatic bone

Masseter - insertion

Mandible (angle and ramus)

Temporalis - origin

Temporal bone

Temporalis

Mandible (coronoid process and ramus)

Sternocleidomastoid - origin

Sternum and clavicle

Sternocleidomastoid - insertion

Mastoid process of temporal bone

Orbicularis oculi - origin

Medial wall of orbit

Orbicularis oculi - insertion

Circular path around orbit

Pectoralis major - origin

Clavicular head: clavicle; Sternocostal head: sternum and cartilage of ribs 2-6

Pectoralis major - insertion

Slightly inferior to the greater tubercle of humerus

Deltoid - origin

Acromial end of clavicle, acromion and spine of scapula

Deltoid - insertion

Deltoid tuberosity of humerus

Trapezius - origin

7th cervical and all thoracic vertebrae

Trapezius - insertion

Clavicle, acromion and spine of scapula

Serratus anterior - origin

Superior ribs 8-9

Serratus anterior - insertion

Scapula (inferior angle and vertebral border)

Triceps brachii - Long head origin

Infraglenoid tubercle

Triceps brachii - Lateral head origin

Lateral and posterior surface of humerus

Triceps brachii - Medial head origin

Posterior surface of humerus

Triceps brachii - insertion

Olecranon of ulna

Biceps brachii - long head origin

Supraglenoid tubercle

Biceps brachii - Short head origin

Coracoid process of scapula

Biceps brachii - insertion

Radial tuberosity

Brachialis - origin

Distal, anterior surface of humerus

Brachialis - insertion

Ulnar tuberosity and coronoid process of ulna

Brachioradialis - origin

Lateral border of distal aspect of humerus

Brachioradialis - insertion

Superior to styloid process of radius

Adductor longus - origin

Pubic crest and pubis symphysis

Adductor longus - insertion

Linea aspera of femur

Gluteus maximus - origin

Iliac crest, sacrum, and coccyx

Gluteus maximus - insertion

Inferior to greater trochanter of femur

Rectus femoris - origin

Anterior inferior iliac spine and superior to acetabulum

Rectus femoris - insertion

Patella and tibial tuberosity

Iliopsoas - origin

Iliac fossa and sacrum

Iliopsoas - insertion

Lesser trochanter of femur

Tibialis anterior - origin

Lateral condyle and body of tibia

Tibialis anterior - insertion

1st metacarpal and cuneiform

Gastrocnemius - origin

Lateral and medial condyles of femur

Gastrocnemius - insertion

Calcaneus via calcaneal (Achilles) tendon

Biceps femoris - long head origin

ischial tuberosity

Biceps femoris - short head origin

Linea aspera of femur

Biceps femoris - insertion

Head of fibula and lateral condyle of tibia

Gluteus medius - origin

Ilium (posterior)

Gluteus medius - insertion

Greater trochanter of femur