Tendon of flexor pollicis longus Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendon of palmaris longus, transected Antebrachial fascia Brachial fascia

Forearm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Tendon of flexor pollicis longus
  • Tendons of flexor digitorum superficialis
  • Tendon of palmaris longus, transected
  • Antebrachial fascia
  • Brachial fascia
Brachialis Triceps brachii Biceps brachii Triceps brachii Triceps brachii Pronator quadratus Pronator quadratus Pronator quadratus Medial epicondyle Medial intermuscular septum of arm Pronator teres Flexor carpi radialis Palmaris longus Flexor carpi ulnaris Flexor digitorum superficialis Flexor digitorum superficialis Flexor digitorum superficialis Flexor pollicis longus Bicipital aponeurosis Tendon of biceps brachii Brachioradialis Extensor carpi radialis longus Extensor carpi radialis brevis Abductor pollicis longus Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendon of flexor pollicis longus Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendon of palmaris longus, transected

Forearm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Brachialis
  • Triceps brachii
  • Biceps brachii
  • Pronator quadratus
  • Medial epicondyle
  • Medial intermuscular septum of arm
  • Pronator teres
  • Flexor carpi radialis
  • Palmaris longus
  • Flexor carpi ulnaris
  • Flexor digitorum superficialis
  • Flexor pollicis longus
  • Bicipital aponeurosis
  • Tendon of biceps brachii
  • Brachioradialis
  • Extensor carpi radialis longus
  • Extensor carpi radialis brevis
  • Abductor pollicis longus
  • Tendons of flexor digitorum superficialis
  • Tendon of flexor pollicis longus
  • Tendon of palmaris longus, transected
Pronator quadratus Pronator quadratus Pronator quadratus Brachialis Brachioradialis Extensor carpi radialis longus Extensor carpi radialis brevis Pronator teres Medial epicondyle Flexor carpi ulnaris Flexor digitorum superficialis Flexor pollicis longus Abductor pollicis longus Tendons of flexor digitorum superficialis Tendon of flexor pollicis longus Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis

Forearm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Pronator quadratus
  • Brachialis
  • Brachioradialis
  • Extensor carpi radialis longus
  • Extensor carpi radialis brevis
  • Pronator teres
  • Medial epicondyle
  • Flexor carpi ulnaris
  • Flexor digitorum superficialis
  • Flexor pollicis longus
  • Abductor pollicis longus
  • Tendons of flexor digitorum superficialis
  • Tendon of flexor pollicis longus
Pronator quadratus Pronator quadratus Brachialis Medial epicondyle Lateral epicondyle Head of radius Supinator muscle Flexor digitorum profundus Flexor digitorum superficialis Flexor pollicis longus Tendon of flexor pollicis longus Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis Tendons of flexor digitorum superficialis

Forearm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Pronator quadratus
  • Brachialis
  • Medial epicondyle
  • Lateral epicondyle
  • Head of radius
  • Supinator muscle
  • Flexor digitorum profundus
  • Flexor digitorum superficialis
  • Flexor pollicis longus
  • Tendon of flexor pollicis longus
  • Tendons of flexor digitorum superficialis
Pronator quadratus Pronator quadratus Pronator quadratus Brachialis Medial epicondyle Lateral epicondyle Head of radius Supinator muscle Flexor digitorum profundus Flexor pollicis longus Tendon of flexor pollicis longus Tendons of flexor digitorum profundus Tendons of flexor digitorum profundus Tendons of flexor digitorum profundus Tendons of flexor digitorum profundus

Forearm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Pronator quadratus
  • Brachialis
  • Medial epicondyle
  • Lateral epicondyle
  • Head of radius
  • Supinator muscle
  • Flexor digitorum profundus
  • Flexor pollicis longus
  • Tendon of flexor pollicis longus
  • Tendons of flexor digitorum profundus
Humerus Humerus Pronator teres, humeral head Supinator muscle Radius Interosseous membrane Ulna Pronator quadratus Palmar radioulnar ligament

Forearm stratigraphy – Anterior muscles

Main visible anatomical structures:
  • Humerus
  • Pronator teres, humeral head
  • Supinator muscle
  • Radius
  • Interosseous membrane
  • Ulna
  • Pronator quadratus
  • Palmar radioulnar ligament
ABC