1 — Extensor carpi radialis longus; Tendon; 2 — Brachioradialis; Tendon; 3 — Abductor pollicis longus; Tendon; 4 — Extensor pollicis longus; Tendon; 5 — Extensor carpi radialis brevis; Tendon; 6 — Extensor carpi radialis longus; Tendon; 7 — Dorsal interosseus [I]; 8 — Dorsal interosseus [II]; 9 — Intertendinous connections; 10 — Dorsal interosseus [IV]; 11 — Abductor digiti minimi; 12 — Dorsal interosseus [III]; 13 — Extensor indicis; Tendon; 14 — Extensor retinaculum; 15 — Extensor digitorum; 16 — Extensor carpi ulnaris; 17 — Extensor digiti minimi;
18 — Extensor pollicis brevis
