1 — Extensor digiti minimi; 2 — Extensor carpi radialis brevis; Tendon; 3 — Extensor carpi ulnaris; 4 — Flexor carpi ulnaris; 5 — Flexor digitorum profundus; 6 — Anconeus; 7 — Medial epicondyle; Caput commune of flexors; 8 — Triceps brachii; 9 — Brachioradialis; 10 — Extensor carpi radialis longus; 11 — Extensor carpi radialis brevis; 12 — Supinator; 13 — Abductor pollicis longus; 14 — Extensor pollicis longus; 15 — Extensor pollicis brevis; 16 — Extensor indicis; 17 — Extensor carpi radialis longus; Tendon; 18 — Extensor digitorum
