Pectoral Girdle and Arm

Clavicle

Scapula

Acromion process

Coracoid process

Glenoid cavity

Lateral border

Inferior angle

Superior border

Supraspinous fossa

Spine

Medial border

Infraspinous fossa

Humerus

Humerus head

Deltoid tuberosity

Lateral epicondyle

Medial epicondyle

Capitulum

Trochlea

Olecranon fossa

Trapezius

retracts, elevates, depresses scapulae, extends head

trapiezus action

Rhomboids

retract and stabilize scapula

Rhomboids actions

depresses scapula and elevates ribs

Pectoralis minor action

Pectoralis minor

coracoid process

Pectoralis minor Insertion

ribs

Pectoralis minor origin

Teres minor

laterally rotates arm

Teres minor action

Teres major

extends and medially rotates arm

Teres major action

Latissimus dorsi

vertebral column

Latissimus dorsi origin

adducts, extends, medially rotates arm

Latissimus dorsi actions

Deltoid

clavicle and scapula

Deltoid origin

Deltoid tuberosity

Deltoid insertion

abducts, flexes and extends arm

Deltoid actions

Pectoralis major

clavicle and sternum

pectoralis major origin

humerus

Pectoralis major insertion

Pectoralis major action

Pectoralis

Biceps brachii

radial tuberosity

Biceps brachii insertion

flexes and supinates forearm

Biceps brachii action

Triceps brachii

olecranon process of ulna

Triceps brachii insertion

extends the forearm

Triceps brachii action

Brachioradialis

radius

Brachioradialis insertions

flexes the forearm

Brachioradialis action

Supinator

lateral epicondyle of humerus

Supinator origin

radius

Supinator insertion

supinates forearm

Supinator action

Pronator teres

medial epicondyle of humerus

Pronator teres origin

radius

Pronator teres insertion

Pronates forearm

Pronator teres action