1 — Flexor pollicis longus; 2 — Pronator quadratus; 3 — Radial artery; 4 — Radial nerve, superficial branch; 5 — Anterior interosseous nerve; 6 — Posterior interosseous artery; 7 — Pronator teres; 8 — Common interosseous artery; 9 — Biceps brachii; Tendon; 10 — Radial recurrent artery; 11 — Radial nerve, deep branch; 12 — Radial collateral artery, anterior branch; 13 — Radial nerve; 14 — Brachial artery; 15 — Superior ulnar collateral artery; 16 — Inferior ulnar collateral artery; 17 — Medial epicondyle; 18 — Ulnar recurrent artery; 19 — Median nerve; 20 — Median artery; 21 — Anterior interosseous artery; 22 — Ulnar artery; 23 — Ulnar nerve; 24 — Flexor digitorum profundus; Tendons; 25 — Ulnar nerve, dorsal branch; 26 — Flexor carpi ulnaris; Tendon; 27 — Flexor digitorum superficialis; Tendon
