Intrinsic Muscle Attachments

Subscapularis

Subspinous Fossa to Lesser Tubercle of Humerus

Teres Major

Caudal Scapula to Teres Major Tuberosity

Coracobrachialis

Coracoid Process to Teres Major Tuberosity and Lesser Tubercle

Supraspinatus

Supraspinous Fossa to Greater Tubercle

Infraspinatus

Infraspinous Fossa to Greater Tubercle

Teres Minor

Caudal Scapula to Teres Minor Tuberosity

Deltoideus

Spinal Part: Spine of Scapula to Deltoid Tuberosity

Acromial Part: Acromion to Deltoid Tuberosity

Biceps Brachii

Supraglenoid Tubercle to Proximal Radius and Ulna, held by Brachialis Tendon

Brachialis

Proximal Humerus to Medial Aspect Proximal Radius and Ulna

Tensor Fascia Antebrachii

Tensor Fascia of Latissimus Dorsi to Olecranon

Anconeus

Lateral Supracondylar Crest and Lateral Epicondyle to Olecranon

Triceps Brachii

Long Head: Caudal Scapula to Tuber Olecrani

Lateral Head: Tricipial Line to Tuber Olecrani

Medial Head: Crest of Lesser Tubercle to Tuber Olecrani

Accessory Head: Neck of Humerus to Tuber Olecrani

Extensor Carpi Radialis

Lateral Epicondyle to Metacarpal 2 and 3

Common Digital Extensor

Lateral Epicondyle to Distal Phalanx of Digits 2-5

Lateral Digital Extensor

Lateral Epicondyle to Distal Phalanx of Digits 3-5

Ulnaris Lateralis

Lateral Epicondyle to Accessory Carpal and Metacarpal 5

Abductor Pollicus Logus

Tendon of Extensor Carpi Radialis to Metacarpal 1

Supinator

Lateral Epicondyle of Humerus to Radius

Flexor Carpi Radialis

Medial Epicondyle to Metacarpal 2 and 3

Flexor Carpi Ulnaris

Humeral Head: Medial Epicondyle to Accessory Carpal

Ulnar Head: Caudomedial Olecranon to Accessory Carpal

Superficial Digital Flexor

Medial Epicondyle to Palmar Surface of Middle Phalanx of Digits 2-5

Deep Digital Flexor

Humeral Head: Medial Epicondyle to Distal Phalanx of Digits 1-5

Radial Head: Medial Radius to Distal Phalanx of Digits 1-5

Ulnar Head: Caudal Ulna to Distal Phalanx of Digits 1-5

Pronator Teres

Medial Epicondyle to Proximal Medial Radius