Studied by 6 people
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Coracobrachialis
O: Coracoid process of scapula
I: Medial humerus
A: Shoulder: flexion & adduction
Deltoid
O: Clavicle, Acromion, Spine of scapula
I: Deltoid tuberosity of humerus
A: Shoulder: Abduction
Teres minor
O: Lateral border of scapula
I: Greater tubercle of humerus
A: Shoulder: lateral rotation & adduction
Supraspinatus
O: Supraspinous fossa
I: Greater tubercle of humerus
A: Shoulder: Abduction
Infraspinatus
O: Infraspinous fossa
I: Greater tubercle of humerus
A: Shoulder: lateral rotation & adduction
Subscapularis
O: Subscapular fossa
I: Lesser tubercle of humerus
A: Shoulder: medial rotation
Teres major
O: Inferior angle & Lateral border of scapula
I: Lesser tubercle of humerus
A: Shoulder: extension, adduction, medial rotation
Pectoralis major
O: Medial clavicle, Sternum, 1-6 Costal cartilage
I: Intertubercular groove of humerus
A: Shoulder: flexion, adduction, medial rotation
Pectoralis minor
O: Anterior ribs 3-5
I: Coracoid process of scapula
A: Scapula: depression, downward rotation, protraction
Brachioradialis
O: Lateral supracondylar ridge of humerus
I: Styloid process of radius
A: Elbow flexion, Forearm: supination & pronation
Triceps brachii
O: Infraglenoid tubercle of scapula & posterior humerus
I: Olecranon process of ulna
A: Elbow & Shoulder extension
Supinator
O: Lateral epicondyle of humerus
I: Anterior proximal radius
A: Forearm supination
Extensor carpi radialis longus & brevis
O: Lateral epicondyle of humerus
I: Base of 2-3 metacarpals
A: Wrist: extension & radial deviation
Extensor carpi ulnaris
O: Lateral epicondyle of humerus
I: Base of 5th metacarpal
A: Wrist: extension & ulnar deviation
Extensor digitorum
O: Lateral epicondyle of humerus
I: 2-5 middle & distal phalanges
A: Extension of 2-5 MCP & IP joints
Pronator quadratus
O: Distal portion of anterior ulna
I: Distal portion of anterior radius
A: Forearm pronation
Pronator teres
O: Medial condyle of humerus & coronoid process of ulna
I: Lateral mid radius
A: Forearm pronation
Flexor carpi radialis
O: Medial epicondyle of humerus
I: Base of 2 & 3 metacarpals
A: Wrist: flexion & radial deviation
Palmaris longus
O: Medial epicondyle of humerus
I: Palmar aponeurosis
A: Wrist flexion
Flexor digitorum superficialis
O: Medial epicondyle of humerus
I: 2-5 middle phalanges
A: 2-5 MCP & PIP flexion
Flexor digitorum profundus
O: Anterior ulna
I: 2-5 distal phalanges
A: 2-5 MCP & DIP flexion
Flexor carpi ulnaris
O: Medial epicondyle of humerus
I: Medial carpals (hook of hamate, pisiform, base of 5th metacarpal)
A: Wrist: flexion & ulnar deviation
Serratus anterior
O: Lateral ribs 1-8
I: Medial border of scapula
A: Scapula: protraction, upward rotation, depression
Latissimus dorsi
O: Posterior iliac crest & spinous processes of thoracic and lumbar vertebrae
I: Intertubercular groove of humerus
A: Shoulder: extension, adduction, medial rotation
Rhomboid major & minor
O: Spinous processes C7-T5
I: Medial border of scapula
A: Scapula: retraction & elevation
Levator scapulae
O: Transverse processes C1-C4 vertebrae
I: Superior angle of scapula
A: Cervical: Ipsilateral rotation
Scapula: elevation & downward rotation
Trapezius
O: External occipital protuberance & spinous processes C1-T12
I: Lateral clavicle, Acromion, Spine of scapula
A: Cervical: extension, ipsilateral bending, contralateral rotation
Scapula: elevation, depression, retraction
Biceps brachii (long head)
O: Supraglenoid tubercle of scapula
I: Radial tuberosity
A: Shoulder flexion, Elbow flexion, Forearm supination
Biceps brachii (short head)
O: Coracoid process of scapula
I: Radial tuberosity
A: Shoulder flexion, Elbow flexion, Forearm supination
Brachialis
O: Anterior humerus
I: Ulna: ulnar tuberosity & coronoid process
A: Elbow flexion
