The carpal tunnel and joints of the wrist and hand

Thenar -muscles

Flexor -carpi radialis Flexor pollicis longus Trapezium

Trapezoid

Carpal Tunnel Cross Section

Fig.38.1

A diagrammatic cross-section through the carpal tunnel

Ulna nerve and artery Hypothenar muscles

Flexor retinaculum Median nerve

Tendons of flexor digitorum superficialis

Tendons of flexor digitorum profundus

Hamate

Capitate

Fig.38.1

A diagrammatic cross-section through the carpal tunnel

Radius

Radius

Scaphoid

Trapezium

Dorsal Carpal Artery

Fig.38.3

The wrist and carpal joints

Scaphoid

Trapezium

1st metacarpal

Fig.38.3

The wrist and carpal joints

Ulna

Disc of fibrocartilage Midcarpal joint

Articular cartilage

Fig.38.2

The synovial sheaths of the flexor tendons

Flexor retinaculum

Occasional communication

Fig.38.2

The synovial sheaths of the flexor tendons

Cephalic vein

Dorsal tubercle of radius Extensor pollicis longus Scaphoid

First dorsal interosseous

Extensor expansion

Extensor Expansion

Fig.38.4

The anatomical snuffbox

Radial artery

Abductor pollicus longus

Fig.38.4

The anatomical snuffbox

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