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(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

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Extensor Tendons at Wrist

See also Plates 434, 435

7

Posterior (dorsal) view

(Dorsal carpal tendinous

sheaths are numbered)

Transverse fibers of

extensor expansions (hoods)

Intertendinous connections

Dorsal interosseous muscles

Radial artery in anatomical snuffbox

Abductor digiti

minimi muscle

1

Extensor pollicis brevis

Abductor pollicis longus

Extensor retinaculum

Plane of cross section

shown below

2

Extensor carpi radialis longus

Extensor carpi radialis brevis

3 — Extensor pollicis longus

4

Extensor indicis

Extensor digitorum

5 — Extensor digiti minimi

6 — Extensor carpi ulnaris

Cross section of most distal portion of forearm

5

4

Extensor

digiti minimi

Extensor retinaculum

Extensor digitorum and

Extensor indicis

Extensor pollicis longus — 3

Extensor carpi

radialis brevis

Extensor carpi

radialis longus

2

6

Extensor

carpi

ulnaris

6

5

4 3 2

1

Extensor

pollicis brevis

Abductor

pollicis longus

1

Ulna

Radius

Wrist and Hand Plate 460

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