1 — Interosseous membrane; 2 — Extensor pollicis longus; Abductor pollicis longus; Extensor indicis; 3 — Extensor carpi radialis brevis; 4 — Extensor carpi radialis longus; 5 — Radius; 6 — Brachioradialis; 7 — Pronator teres; 8 — Flexor carpi radialis; 9 — Flexor digitorum superficialis; 10 — Palmaris longus; 11 — Flexor carpi ulnaris; 12 — Antebrachial fascia; 13 — Flexor digitorum profundus; 14 — The integument; 15 — Ulna; 16 — Extensor carpi ulnaris; 17 — Supinator; 18 — Extensor digitorum
