1 — Flexor digitorum profundus; Tendon; 2 — Tendon sheath; 3 — Thenar eminence; 4 — Extensor carpi radialis longus; 5 — Brachioradialis; 6 — Deltoid; 7 — Clavicle; 8 — Pectoralis major; 9 — Biceps brachii; 10 — Brachialis; 11 — Pronator teres; 12 — Flexor carpi radialis; 13 — Palmaris longus; 14 — Flexor digitorum superficialis; 15 — Flexor carpi ulnaris; 16 — Flexor retinaculum; 17 — Hypothenar eminence;
18 — Flexor digitorum superficialis; Tendon
