1. Bones (anterior): phalanges (distal, middle, proximal), metacarpals, pisiform, sesamoid
2. Bones (posterior): phalanges, metacarpals, hamate, capitate, pisiform, triquetrum, lunate, scaphoid, trapezoid, trapezium
3. Bones: radius, ulnus, pisiform
4. Bones: trapezium, scaphoid, hamate, capitate
5. Cartilage: articular cartilage
6. Muscles: dorsal interossei; abductor digiti minimi
7. Muscles: flexor digitorum tendons, abductor pollicis brevis
8. Muscles: adductor pollicis, flexor pollicis brevis
9. Muscles: adductor pollicis longus, extensor pollicis brevis
10. Muscles: extensor pollicis brevis, extensor indicis, abductor pollicis longus, adductor pollicis
11. Tendons: brachioradialis, flexor pollicis longus, tendon of abductor pollicis longus, tendon of flexor pollicis longus