WristandHand
Plate457
ExtensorTendonsatWrist
Posterior (dorsal) view
Compartment 6 —
Extensor carpi ulnaris
Compartment 5 —
Extensor digiti minimi
Extensor digitorum
Extensor indicis
Compartment 3 —
Extensor pollicis longus
Extensor carpi radialis brevis
Extensor carpi radialis longus
Abductor pollicis longus
Extensor pollicis brevis
Radial artery in anatomical snuffbox
Dorsal interosseous muscles
Compartment 4
Compartment 2
Compartment 1
Extensor retinaculum
Abductor digiti
minimi muscle
Intertendinous connections
Transverse fibers of
extensor expansions (hoods)
Cross section of most distal portion of forearm
Extensor retinaculum
Extensor pollicis longus
— Compartment 3
Extensor carpi
radialis brevis
Extensor carpi
radialis longus
Compartment 2
Extensor
pollicis brevis
Abductor
pollicis longus
Compartment 1
Extensor digitorum and
extensor indicis
Extensor
digiti minimi
Extensor
carpi
ulnaris
Compartment 4
Compartment 5
Compartment 6
Ulna
Radius
Plane of cross section
shown below
6
5
4
3
2
1
See±also±
Plates 430
,
±
431
±
