I — Flexor digitorum superficialis; 2 — Flexor carpi ulnaris; 3 — Common flexor sheath; 4 — Opponens digiti minimi; 5 — Flexor digiti minimi brevis; 6 — Abductor digiti minimi; 7 — Lumbricals; 8 — Oblique ligaments; 9 — Flexor digitorum profundus; 10 — Anular ligaments;
II — Flexor pollicis longus; 12 — Dorsal interosseus [I]; 13 — Adductor pollicis, transverse head; 14 — Adductor pollicis, oblique head; 15 — Flexor pollicis brevis, superficial head; 16 — Abductor pollicis brevis; 17 — Opponens pollicis; 18 — Flexor retinaculum; 19 — Pronator
quadratus; 20 — Flexor pollicis longus; 21 — Flexor carpi radialis
