Clavicle Deltoid, acromial part Deltoid, clavicular part Coracobrachialis Coracobrachialis Biceps brachii, short head Biceps brachii, long head Coracoid process Supraspinous fascia Brachialis Extensor carpi radialis longus Extensor carpi radialis brevis Brachioradialis Flexor digitorum superficialis Flexor digitorum superficialis Pronator teres Flexor carpi radialis Palmaris longus Bicipital aponeurosis Teres major Subscapular fascia Flexor carpi ulnaris

Arm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Clavicle
  • Deltoid, acromial part
  • Deltoid, clavicular part
  • Coracobrachialis
  • Biceps brachii, short head
  • Biceps brachii, long head
  • Coracoid process
  • Supraspinous fascia
  • Brachialis
  • Extensor carpi radialis longus
  • Extensor carpi radialis brevis
  • Brachioradialis
  • Flexor digitorum superficialis
  • Pronator teres
  • Flexor carpi radialis
  • Palmaris longus
  • Bicipital aponeurosis
  • Teres major
  • Subscapular fascia
  • Flexor carpi ulnaris
Clavicle Acromion Supraspinatus Humerus, greater tubercle Subscapularis Teres major Coracobrachialis Coracobrachialis Biceps brachii, short head Coracoid process Biceps brachii, long head Extensor carpi radialis longus Extensor carpi radialis brevis Brachioradialis Flexor digitorum superficialis Flexor digitorum superficialis Flexor carpi radialis Palmaris longus Pronator teres Bicipital aponeurosis Flexor carpi ulnaris

Arm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Clavicle
  • Acromion
  • Supraspinatus
  • Humerus, greater tubercle
  • Subscapularis
  • Teres major
  • Coracobrachialis
  • Biceps brachii, short head
  • Coracoid process
  • Biceps brachii, long head
  • Extensor carpi radialis longus
  • Extensor carpi radialis brevis
  • Brachioradialis
  • Flexor digitorum superficialis
  • Flexor carpi radialis
  • Palmaris longus
  • Pronator teres
  • Bicipital aponeurosis
  • Flexor carpi ulnaris
Clavicle Acromion Supraspinatus Humerus, greater tubercle Subscapularis Teres major Coracobrachialis Coracoid process Extensor carpi radialis brevis Brachioradialis Flexor digitorum superficialis Flexor digitorum superficialis Extensor carpi radialis longus Flexor carpi radialis Palmaris longus Pronator teres Flexor carpi ulnaris Brachialis

Arm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Clavicle
  • Acromion
  • Supraspinatus
  • Humerus, greater tubercle
  • Subscapularis
  • Teres major
  • Coracobrachialis
  • Coracoid process
  • Extensor carpi radialis brevis
  • Brachioradialis
  • Flexor digitorum superficialis
  • Extensor carpi radialis longus
  • Flexor carpi radialis
  • Palmaris longus
  • Pronator teres
  • Flexor carpi ulnaris
  • Brachialis
Teres major Brachialis Coracobrachialis Clavicle Acromion Supraspinatus Supraspinatus Subscapular fossa Neck of scapula Coracoid process Intertubercular sulcus Capitulum Lateral epicondyle Medial epicondyle Flexor digitorum profundus Supinator Head of radius Flexor pollicis longus Radius Radial tuberosity Interosseous membrane of forearm Humerus, lesser tubercle

Arm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Teres major
  • Brachialis
  • Coracobrachialis
  • Clavicle
  • Acromion
  • Supraspinatus
  • Subscapular fossa
  • Neck of scapula
  • Coracoid process
  • Intertubercular sulcus
  • Capitulum
  • Lateral epicondyle
  • Medial epicondyle
  • Flexor digitorum profundus
  • Supinator
  • Head of radius
  • Flexor pollicis longus
  • Radius
  • Radial tuberosity
  • Interosseous membrane of forearm
  • Humerus, lesser tubercle
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