Wrist

Osteology

Carpal Bones

Proximal Carpals

Scaphoid

Lunate

Triquetrum

Pisiform

Distal Carpals

Trapezium

Trapezoid

Capitate

Hamate

Distal Radius

Distal ulna

Blood Supply

Radial Artery

Superficial palmar arch

Dorsal Carpal arch

Ulnar Artery

Anterior Interosseous artery

Posterior Interosseous Artery

Articulation

Distal Radius

Distal Radio-Ulnar Joint

Scaphoid

Lunate

Triquetrum

Ulnar notch

Rotates about the fixed ulna

Distal Ulna

Radial Styloid Process

Radio-carpal (Wrist) joint

Condyloid synovial joint

Radio- Scaphoid Joint

Radio-lunate joint

Intercarpal

Scapholunate joint

Scaphocapitate joint

Scaphotrapezoid Joint

Scaphotrapezium Joint

Lunotriquetrium Joint

Lunohamate joint

Lunocapitate Joint

Scapholunate Joint

Midcarpal Joint

Between Proximal and Distal Carpals

Pisotriquetral joint

Radial collateral Ligament

Ulnar collateral ligament

Dorsal radio carpal ligaments

Palmar radiocarpal ligaments

Clinical correlates

Colles Fracture

Smith's Fracture

Radioulnar synostosis

Fracture of Scaphoid

Most commonly fractured carpal bone

Dislocation of Lunate

Most commonly dislocated carpal bone

De Quervain Tenosynovitis

Carpal tunnel syndrome

Radiocarpal arthritis

Intersection syndrome

Movements

Flexion

Flexor Carpi Radialis

Flexor Carpi Ulnaris

Extension

Extensor Carpi Radialis Brevis

Extensor Carpi Radialis Longus

Extensor Carpi Ulnaris

Abduction

Abductor Pollicis Longus

Flexor Carpi Radialis

Extensor carpi Radialis Longus

Extensor Carpi Radialis Brevis

Adduction

Extensor Carpi Ulnaris

Flexor Carpi Ulnaris

Innervation

Anterior interosseous branch of median nerve

Posterior interosseous branch of Radial nerve

Dorsal and Deep Branches of Ulnar nerve

Compartments

Extensor

1.

Abductor pollicis Longus

Extensor pollicis brevis

2.

Extensor Carpi Radialis Longus

Extensor Carpi Radialis Brevis

3.

Extensor Pollicis Longus

Uses Lister's tubercle as a pulley

4.

Extensor Digitorum

Extensor Indicis

5.

Extensor Digiti Minimi

6.

Extensor Carpi Ulnaris

Guyon's Canal

Roof

Palmar Carpal Ligament

Floor

Flexor Retinaculum

Contents

Ulnar nerve

Ulnar artery

Pisiform

Hook of Hamate

Carpal Tunnel

Contents

Median Nerve

Tendon of Flexor Digiitorum Profundus

Tendon of Flexor Digitorum Superficialis

Tendon of Flexor Pollicis Longus

Roof

Flexor Retinaculum

Floor

Carpals