Extensor tendon
expansion
1 st Dorsal I interosseus
1 st dorsal interosseus
Extensor
pollicis
longus
tendon
Dorsal
interossei
Extensor
pollicis
longus
tendon
Extensor^ —tendons
Extensor pollicis -brevis
Abductor pollicis/ longus
Extensor carpi radialis/n longus and brevis
Radius
Extensor retinaculum
Extensor carpi ulnaris
Extensor digiti minimi Extensor digitorum
Platę 5-8 Muscles of the dorsal (posterior) hand